The University of Queensland

Uncertainty relations and their applications

Dong Wang, Ming-Liang Hu, Jun Feng and Yao-Zhong Zhang eds. (2022). Uncertainty relations and their applications. Frontiers Research Topics, Lausanne, Switzerland: Frontiers Research Foundation. doi: 10.3389/978-2-83250-137-5

Introduction to anomalous gauge theories

Zhang, Yao-Zhong (1990). Introduction to anomalous gauge theories. Jilin, China: Jilin Science and Technology Press.

On analytic solutions of the driven, 2-photon and two-mode quantum Rabi models

Zhang, Yao-Zhong (2020). On analytic solutions of the driven, 2-photon and two-mode quantum Rabi models. Hilbert Spaces: properties and applications. (pp. 123-142) edited by Le Bin Ho. New York, NY, United States: Nova Science Publishers.

Quasi-exactly solvable systems

Zhang, Yao-Zhong (2019). Quasi-exactly solvable systems. Integrable model methods and their applications. (pp. 322-384) edited by Wen-Li Yang, Zhan-Ying Yang and Tao Yang. Beijing, China: Science Press.

Exactly solvable, non-hermitian BCS Hamiltonian

Moghaddam, Amir, Links, Jon and Zhang, Yao-Zhong (2013). Exactly solvable, non-hermitian BCS Hamiltonian. Symmetries and Groups in Contemporary Physics. (pp. 627-630) Singapore, Singapore: World Scientific. doi: 10.1142/9789814518550_0091

Super coherent states, boson-fermion realizations and representations of superalgebras

Zhang, Yao-Zhong (2006). Super coherent states, boson-fermion realizations and representations of superalgebras. New developments in field theory. (pp. 139-156) edited by O. Kovras. New York, USA: Nova Science Publishers.

Integrable models of correlated electrons

Bracken, Anthony R., Gould, Mark D., Links, Jon R. and Zhang, Yao-Zhong (1999). Integrable models of correlated electrons. Statistical Physics on the Eve of the 21st Century. (pp. 303-315) edited by Murry Batchelor and Luc Wille. River Ridge, New Jersey United States: World Scientific Publishing. doi: 10.1142/3964

Infinite families of gauge-equivalent R-matrices and gradations of quantized affine algebras

Bracken, Anthony J., Gould, Mark D., Zhang, Yao-Zhong and Delius, Gustav W. (1995). Infinite families of gauge-equivalent R-matrices and gradations of quantized affine algebras. Perspectives on Solvable Models. (pp. 231-243) Singapore, Singapore: World Scientific. doi: 10.1142/9789812831279_0015

Finding new multipartite entangled resources for measurement-based quantum computation

Li, Wendong, Ma, Xiaoping, Lee, Yuan-Harng, Zhang, Yaozhong and Gu, Yongjian (2023). Finding new multipartite entangled resources for measurement-based quantum computation. Quantum Information Processing, 22 (3) 130, 1-15. doi: 10.1007/s11128-023-03870-0

Algebraic (super-)integrability from commutants of subalgebras in universal enveloping algebras

Campoamor-Stursberg, Rutwig, Latini, Danilo, Marquette, Ian and Zhang, Yao-Zhong (2023). Algebraic (super-)integrability from commutants of subalgebras in universal enveloping algebras. Journal of Physics A: Mathematical and Theoretical, 56 (4), 045202. doi: 10.1088/1751-8121/acb576

Polynomial algebras of superintegrable systems separating in Cartesian coordinates from higher order ladder operators

Latini, Danilo, Marquette, Ian and Zhang, Yao-Zhong (2022). Polynomial algebras of superintegrable systems separating in Cartesian coordinates from higher order ladder operators. Physica D: Nonlinear Phenomena, 440 133464, 1-20. doi: 10.1016/j.physd.2022.133464

Editorial: Uncertainty relations and their applications

Wang, Dong, Hu, Ming-Liang, Feng, Jun and Zhang, Yao-Zhong (2022). Editorial: Uncertainty relations and their applications. Frontiers in Physics, 10 997835. doi: 10.3389/fphy.2022.997835

Construction of polynomial algebras from intermediate Casimir invariants of Lie algebras

Latini, Danilo, Marquette, Ian and Zhang, Yao-Zhong (2022). Construction of polynomial algebras from intermediate Casimir invariants of Lie algebras. Journal of Physics A: Mathematical and Theoretical, 55 (33) 335203, 1-42. doi: 10.1088/1751-8121/ac7ca3

Exact solution of the two-axis two-spin Hamiltonian

Pan, Feng, Zhang, Yao-Zhong, Qi, Xiaohan, Liang, Yue, Zhang, Yuqing and Draayer, Jerry P. (2021). Exact solution of the two-axis two-spin Hamiltonian. Journal of Statistical Mechanics: Theory and Experiment, 2021 (10) 103104. doi: 10.1088/1742-5468/ac26b3

Racah algebra R(n) from coalgebraic structures and chains of R(3) substructures

Latini, Danilo, Marquette, Ian and Zhang, Yao-Zhong (2021). Racah algebra R(n) from coalgebraic structures and chains of R(3) substructures. Journal of Physics A: Mathematical and Theoretical, 54 (39) 395202, 395202. doi: 10.1088/1751-8121/ac1ee8

N-dimensional Smorodinsky-Winternitz model and related higher rank quadratic algebra SW(N)

Correa, Francisco, Fazlul Hoque, Md, Marquette, Ian and Zhang, Yao-Zhong (2021). N-dimensional Smorodinsky-Winternitz model and related higher rank quadratic algebra SW(N). Journal of Physics A: Mathematical and Theoretical, 54 (39) 395201, 395201. doi: 10.1088/1751-8121/ac1dc1

Embedding of the Racah algebra R(n) and superintegrability

Latini, Danilo, Marquette, Ian and Zhang, Yao-Zhong (2021). Embedding of the Racah algebra R(n) and superintegrability. Annals of Physics, 426 168397, 1-18. doi: 10.1016/j.aop.2021.168397

Analytic solutions of the Teukolsky equation for massless perturbations of any spin in de Sitter background

Zhang, Yao-Zhong (2020). Analytic solutions of the Teukolsky equation for massless perturbations of any spin in de Sitter background. Journal of Mathematical Physics, 61 (10) 0015848, 103508. doi: 10.1063/5.0015848

New R-matrices with non-additive spectral parameters and integrable models of strongly correlated fermions

Zhang, Yao-Zhong and Werry, Jason L. (2020). New R-matrices with non-additive spectral parameters and integrable models of strongly correlated fermions. Journal of High Energy Physics, 2020 (3) 141. doi: 10.1007/JHEP03(2020)141

Superintegrable systems from block separation of variables and unified derivation of their quadratic algebras

Chen, Zhe, Marquette, Ian and Zhang, Yao-Zhong (2019). Superintegrable systems from block separation of variables and unified derivation of their quadratic algebras. Annals of Physics, 411 167970. doi: 10.1016/j.aop.2019.167970

Strong superadditive deficit of coherence and quantum correlations distribution

Liu, Si-Yuan, Wu, Feng-Lin, Zhang, Yao-Zhong and Fan, Heng (2019). Strong superadditive deficit of coherence and quantum correlations distribution. Chinese Physics Letters, 36 (8) 080303, 080303. doi: 10.1088/0256-307X/36/8/080303

Ladder operators and coherent states for multi-step supersymmetric rational extensions of the truncated oscillator

Hoffmann, Scott E., Hussin, Véronique, Marquette, Ian and Zhang, Yao-Zhong (2019). Ladder operators and coherent states for multi-step supersymmetric rational extensions of the truncated oscillator. Journal of Mathematical Physics, 60 (5) 052105, 052105. doi: 10.1063/1.5091953

Extended Laplace-Runge-Lentz vectors, new family of superintegrable systems and quadratic algebras

Chen, Zhe, Marquette, Ian and Zhang, Yao-Zhong (2019). Extended Laplace-Runge-Lentz vectors, new family of superintegrable systems and quadratic algebras. Annals of Physics, 402, 78-90. doi: 10.1016/j.aop.2019.01.009

Influence of a dark soliton on the reflection of a Bose-Einstein condensate by a square barrier

Cheng, Qiao-Ling, Bai, Wen-Kai, Zhang, Yao-Zhong, Xiong, Bo and Yang, Tao (2019). Influence of a dark soliton on the reflection of a Bose-Einstein condensate by a square barrier. Laser Physics, 29 (1) 015501, 015501. doi: 10.1088/1555-6611/aaea78

Bell inequalities violation within non-Bunch–Davies states

Feng, Jun, Huang, Xiaoyang, Zhang, Yao-Zhong and Fan, Heng (2018). Bell inequalities violation within non-Bunch–Davies states. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 786, 403-409. doi: 10.1016/j.physletb.2018.10.020

Extended Calogero models: a construction for exactly solvable kN-body systems

Chen, Zhe, Links, Jon, Marquette, Ian and Zhang, Yao-Zhong (2018). Extended Calogero models: a construction for exactly solvable kN-body systems. Journal of Physics A: Mathematical and Theoretical, 51 (45) 455203, 455203. doi: 10.1088/1751-8121/aae4cc

Quantum estimation in an expanding spacetime

Huang, Xiaoyang, Feng, Jun, Zhang, Yao-Zhong and Fan, Heng (2018). Quantum estimation in an expanding spacetime. Annals of Physics, 397, 336-350. doi: 10.1016/j.aop.2018.08.021

Coherent states for ladder operators of general order related to exceptional orthogonal polynomials

Hoffmann, Scott E., Hussin, Veronique, Marquette, Ian and Zhang, Yao-Zhong (2018). Coherent states for ladder operators of general order related to exceptional orthogonal polynomials. Journal of Physics A: Mathematical and Theoretical, 51 (31) 315203, 315203. doi: 10.1088/1751-8121/aacb3b

Fine-grained uncertainty relations under relativistic motion

Feng, Jun, Zhang, Yao-Zhong, Gould, Mark D. and Fan, Heng (2018). Fine-grained uncertainty relations under relativistic motion. Europhysics Letters, 122 (6) 60001. doi: 10.1209/0295-5075/122/60001

Quantum superintegrable system with a novel chain structure of quadratic algebras

Liao, Yidong, Marquette, Ian and Zhang, Yao-Zhong (2018). Quantum superintegrable system with a novel chain structure of quadratic algebras. Journal of Physics A: Mathematical and Theoretical, 51 (25) 255201. doi: 10.1088/1751-8121/aac111

Recurrence approach and higher order polynomial algebras for superintegrable monopole systems

Hoque, Md Fazlul, Marquette, Ian and Zhang, Yao-Zhong (2018). Recurrence approach and higher order polynomial algebras for superintegrable monopole systems. Journal of Mathematical Physics, 59 (5) 052101, 052101. doi: 10.1063/1.5012859

Algebraic calculations for spectrum of superintegrable system from exceptional orthogonal polynomials

Hoque, Md. Fazlul, Marquette, Ian, Post, Sarah and Zhang, Yao-Zhong (2018). Algebraic calculations for spectrum of superintegrable system from exceptional orthogonal polynomials. Annals of Physics, 391, 203-215. doi: 10.1016/j.aop.2018.02.008

Non-classical behaviour of coherent states for systems constructed using exceptional orthogonal polynomials

Hoffmann, Scott E., Hussin, Veronique, Marquette, Ian and Zhang, Yao-Zhong (2018). Non-classical behaviour of coherent states for systems constructed using exceptional orthogonal polynomials. Journal of Physics A-Mathematical and Theoretical, 51 (8) 085202, 1-16. doi: 10.1088/1751-8121/aaa553

Structures of Nichols (braided) lie algebras of diagonal type

Wu, Weicai, Wang, Jing, Zhang, Shouchuan and Zhang, Yao-Zhong (2018). Structures of Nichols (braided) lie algebras of diagonal type. Journal of Lie Theory, 28 (2), 357-380.

One loop amplitude from null string

Yu, Ming, Zhang, Chi and Zhang, Yao-Zhong (2017). One loop amplitude from null string. Journal of High Energy Physics, 2017 (6) 51. doi: 10.1007/JHEP06(2017)051

On the 2-mode and k-photon quantum Rabi models

Zhang, Yao-Zhong (2017). On the 2-mode and k-photon quantum Rabi models. Reviews in Mathematical Physics, 29 (4) 1750013, 1750013. doi: 10.1142/S0129055X17500131

Quadratic algebra structure in the 5D Kepler system with non-central potentials and Yang–Coulomb monopole interaction

Hoque, Md Fazlul, Marquette, Ian and Zhang, Yao-Zhong (2017). Quadratic algebra structure in the 5D Kepler system with non-central potentials and Yang–Coulomb monopole interaction. Annals of Physics, 380, 121-134. doi: 10.1016/j.aop.2017.03.003

Exact solution of the two-axis countertwisting hamiltonian for the half-integer J case

Pan, Feng, Zhang, Yao-Zhong and Draayer, Jerry P. (2017). Exact solution of the two-axis countertwisting hamiltonian for the half-integer J case. Journal of Statistical Mechanics: Theory and Experiment, 2017 (Feb) 023104, 023104. doi: 10.1088/1742-5468/aa5a28

Exact solution of the two-axis countertwisting Hamiltonian

Pan, Feng, Zhang, Yao-Zhong and Draayer, Jerry P. (2017). Exact solution of the two-axis countertwisting Hamiltonian. Annals of Physics, 376, 182-193. doi: 10.1016/j.aop.2016.11.019

Hidden sl(2)-algebraic structure in Rabi model and its 2-photon and two-mode generalizations

Zhang, Yao-Zhong (2016). Hidden sl(2)-algebraic structure in Rabi model and its 2-photon and two-mode generalizations. Annals of Physics, 375, 460-470. doi: 10.1016/j.aop.2016.10.019

Quadratic algebra for superintegrable monopole system in a Taub-NUT space

Hoque, Md Fazlul, Marquette, Ian and Zhang, Yao-Zhong (2016). Quadratic algebra for superintegrable monopole system in a Taub-NUT space. Journal of Mathematical Physics, 57 (9) 092104, 092104. doi: 10.1063/1.4962924

Recurrence approach and higher rank cubic algebras for the N-dimensional superintegrable systems

Hoque, Md Fazlul, Marquette, Ian and Zhang, Yao-Zhong (2016). Recurrence approach and higher rank cubic algebras for the N-dimensional superintegrable systems. Journal of Physics A: Mathematical and Theoretical, 49 (12) 125201, 1-12. doi: 10.1088/1751-8113/49/12/125201

A new family of N dimensional superintegrable double singular oscillators and quadratic algebra Q(3) ⊕ so(n) ⊕ so(N-n)

Hoque, Md Fazlul, Marquette, Ian and Zhang, Yao-Zhong (2015). A new family of N dimensional superintegrable double singular oscillators and quadratic algebra Q(3) ⊕ so(n) ⊕ so(N-n). Journal of Physics A: Mathematical and Theoretical, 48 (Art No.: 445207) 445207, 273-&. doi: 10.1088/1751-8113/48/44/445207

On Nichols (braided) Lie algebras

Wu, Weicai, Zhang, Shouchuan and Zhang, Yao-Zhong (2015). On Nichols (braided) Lie algebras. International Journal of Mathematics, 26 (10) 1550082. doi: 10.1142/S0129167X15500822

Quadratic algebra structure and spectrum of a new superintegrable system in N-dimension

Hoque, Md Fazlul, Marquette, Ian and Zhang, Yao-Zhong (2015). Quadratic algebra structure and spectrum of a new superintegrable system in N-dimension. Journal of Physics A: Mathematical and Theoretical, 48 (18) 185201, 1-16. doi: 10.1088/1751-8113/48/18/185201

Uncertainty relation in Schwarzschild spacetime

Feng, Jun, Zhang, Yao-Zhong, Gould, Mark D. and Fan, Heng (2015). Uncertainty relation in Schwarzschild spacetime. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 743, 198-204. doi: 10.1016/j.physletb.2015.02.058

Relationship between nichols braided lie algebras and nichols algebras

Wu, Weicai, Zhang, Shouchuan and Zhang, Yao-Zhong (2015). Relationship between nichols braided lie algebras and nichols algebras. Journal of Lie Theory, 25 (1), 45-63.

Probing Planckian physics in de Sitter space with quantum correlations

Feng, Jun, Zhang, Yao-Zhong, Gould, Mark D., Fan, Heng, Sun, Cheng-Yi and Yang, Wen-Li (2014). Probing Planckian physics in de Sitter space with quantum correlations. Annals of Physics, 351, 872-899. doi: 10.1016/j.aop.2014.10.014

New quasi-exactly solvable class of generalized isotonic oscillators

Agboola, Davids, Links, Jon, Marquette, Ian and Zhang, Yao-Zhong (2014). New quasi-exactly solvable class of generalized isotonic oscillators. Journal of Physics A: Mathematical and Theoretical, 47 (39) 395305, 395305.1-395305.17. doi: 10.1088/1751-8113/47/39/395305

Construction of basis vectors for symmetric irreducible representations of O(5) (Formula Presented.) O(3)

Pan, Feng, Bao, Lina, Zhang, Yao-Zhong and Draayer, Jerry P. (2014). Construction of basis vectors for symmetric irreducible representations of O(5) (Formula Presented.) O(3). European Physical Journal Plus, 129 (8) 169, 1-27. doi: 10.1140/epjp/i2014-14169-0

ZN symmetric chiral Rabi model: a new N-level system

Zhang, Yao-Zhong (2014). ZN symmetric chiral Rabi model: a new N-level system. Annals of Physics, 347, 122-129. doi: 10.1016/j.aop.2014.05.003

Exact polynomial solutions of Schrodinger equation with various hyperbolic potentials

Wen, Fa-Kai, Yang, Zhan-Ying, Liu, Chong, Yang, Wen-Li and Zhang, Yao-Zhong (2014). Exact polynomial solutions of Schrodinger equation with various hyperbolic potentials. Communications in Theoretical Physics, 61 (2), 153-159. doi: 10.1088/0253-6102/61/2/02

Finite dimensional nichols algebras over finite cyclic groups

Wu, Weicai, Zhang, Shouchuan and Zhang, Yao-Zhong (2014). Finite dimensional nichols algebras over finite cyclic groups. Journal of Lie Theory, 24 (2), 351-372.

Exact solutions to relativistic singular fractional power potentials

Agboola, Davids and Zhang, Yao-Zhong (2013). Exact solutions to relativistic singular fractional power potentials. Journal of Physics A: Mathematical and Theoretical, 46 (50) 505301, 505301.1-505301.15. doi: 10.1088/1751-8113/46/50/505301

Solving the two-mode squeezed harmonic oscillator and the kth-order harmonic generation in Bargmann-Hilbert spaces

Zhang, Yao-Zhong (2013). Solving the two-mode squeezed harmonic oscillator and the kth-order harmonic generation in Bargmann-Hilbert spaces. Journal of Physics A-Mathematical and Theoretical, 46 (45) 455302, 455302.1-455302.13. doi: 10.1088/1751-8113/46/45/455302

Entropic uncertainty relations under the relativistic motion

Feng, Jun, Zhang, Yao-Zhong, Gould, Mark D. and Fan, Heng (2013). Entropic uncertainty relations under the relativistic motion. Physics Letters B, 726 (1-3), 527-532. doi: 10.1016/j.physletb.2013.08.069

On the solvability of the quantum Rabi model and its 2-photon and two-mode generalizations

Zhang, Yao-Zhong (2013). On the solvability of the quantum Rabi model and its 2-photon and two-mode generalizations. Journal of Mathematical Physics, 54 (10) 102104, 102104.1-102104.13. doi: 10.1063/1.4826356

Heine-Stieltjes correspondence and a new angular momentum projection for many-particle systems

Pan, Feng, Li, Bo, Zhang, Yao-Zhong and Draayer, Jerry P. (2013). Heine-Stieltjes correspondence and a new angular momentum projection for many-particle systems. Physical Review C, 88 (3) 034305, 034305.1-034305.11. doi: 10.1103/PhysRevC.88.034305

Efficient universal quantum computation with auxiliary Hilbert space

Li, Wen-Dong, Gu, Yong-Jian, Liu, Kai, Lee, Yuan-Harng and Zhang, Yao-Zhong (2013). Efficient universal quantum computation with auxiliary Hilbert space. Physical Review A (Atomic, Molecular and Optical Physics), 88 (3) 034303, 034303.1-034303.4. doi: 10.1103/PhysRevA.88.034303

BCS model with asymmetric pair scattering: a non-Hermitian, exactly solvable Hamiltonian exhibiting generalized exclusion statistics

Links, Jon, Moghaddam, Amir and Zhang, Yao-Zhong (2013). BCS model with asymmetric pair scattering: a non-Hermitian, exactly solvable Hamiltonian exhibiting generalized exclusion statistics. Journal of Physics A: Mathematical and Theoretical, 46 (30) 305205, 305205.1-305205.18. doi: 10.1088/1751-8113/46/30/305205

Classification of quiver Hopf algebras and pointed Hopf algebras of type one

Zhang, Shouchuan, Chen, Hui-Xiang and Zhang, Yao-Zhong (2013). Classification of quiver Hopf algebras and pointed Hopf algebras of type one. Bulletin of the Australian Mathematical Society, 87 (2), 216-237. doi: 10.1017/S0004972712000494

Novel quasi-exactly solvable models with anharmonic singular potentials

Agboola, Davids and Zhang, Yao-Zhong (2013). Novel quasi-exactly solvable models with anharmonic singular potentials. Annals of Physics, 330, 246-262. doi: 10.1016/j.aop.2012.11.013

Notes on teleportation in an expanding space

Feng, Jun, Yang, Wen-Li, Zhang, Yao-Zhong and Fan, Heng (2013). Notes on teleportation in an expanding space. Physics Letters B, 719 (4-5), 430-434. doi: 10.1016/j.physletb.2013.01.026

Deconfined quantum criticality and generalized exclusion statistics in a non-Hermitian BCS model

Links, Jon, Moghaddam, Amir and Zhang, Yao-Zhong (2012). Deconfined quantum criticality and generalized exclusion statistics in a non-Hermitian BCS model. Journal of Physics A: Mathematical and Theoretical, 45 (46) 462002, 462002.1-462002.6. doi: 10.1088/1751-8113/45/46/462002

Free-field realization of the exceptional current superalgebra D(2,1;alpha)k

Chen, Xi, Yang, Wen-Li, Ding, Xiang-Mao, Feng, Jun, Ke, San-Min, Wu, Ke and Zhang, Yao-Zhong (2012). Free-field realization of the exceptional current superalgebra D(2,1;alpha)k. Journal of Physics A: Mathematical and Theoretical, 45 (40) 405204, 405204. doi: 10.1088/1751-8113/45/40/405204

Determinant representations for scalar products of the XXZ Gaudin model with general boundary terms

Hao, Kun, Yang, Wen-Li, Fan, Heng, Liu, Si-Yuan, Wu, Ke, Yang, Zhan-Ying and Zhang, Yao-Zhong (2012). Determinant representations for scalar products of the XXZ Gaudin model with general boundary terms. Nuclear Physics B, 862 (3), 835-849. doi: 10.1016/j.nuclphysb.2012.05.019

Quasi-exactly solvable relativistic soft-core Coulomb models

Agboola, Davids and Zhang, Yao-Zhong (2012). Quasi-exactly solvable relativistic soft-core Coulomb models. Annals of Physics, 327 (9), 2275-2287. doi: 10.1016/j.aop.2012.07.002

Exact solutions of the schrodinger equation with spherically symmetric octic potential

Agboola, Davids and Zhang, Yao-Zhong (2012). Exact solutions of the schrodinger equation with spherically symmetric octic potential. Modern Physics Letters A, 27 (20) 1250112, 1250112. doi: 10.1142/S021773231250112X

Pointed Hopf algebras with classical Weyl groups

Zhang, Shouchuan and Zhang, Yao-Zhong (2012). Pointed Hopf algebras with classical Weyl groups. International Journal of Mathematics, 23 (6) 1250066, 1250066-1-1250066-26. doi: 10.1142/S0129167X12500668

Unified derivation of exact solutions for a class of quasi-exactly solvable models

Agboola, Davids and Zhang, Yao-Zhong (2012). Unified derivation of exact solutions for a class of quasi-exactly solvable models. Journal of Mathematical Physics, 53 (4) 042101, 042101. doi: 10.1063/1.3701833

Exact polynomial solutions of second order differential equations and their applications

Zhang, Yao-Zhong (2012). Exact polynomial solutions of second order differential equations and their applications. Journal of Physics A: Mathematical and Theoretical, 45 (6) 065206, 065206.1-065206.20. doi: 10.1088/1751-8113/45/6/065206

Drinfeld twist and symmetric Bethe vectors of open XYZ chain with non-diagonal boundary terms

Chen, Xi, Feng, Jun, Hao, Kun, Wu, Ke, Yang, Wen-Li, Yang, Zhan-Ying and Zhang, Yao-Zhong (2012). Drinfeld twist and symmetric Bethe vectors of open XYZ chain with non-diagonal boundary terms. Communications in Theoretical Physics, 57 (1), 19-28. doi: 10.1088/0253-6102/57/1/05

Quasi-exactly solvable models derived from the quasi-Gaudin algebra

Lee, Yuan-Harng, Links, Jon and Zhang, Yao-Zhong (2011). Quasi-exactly solvable models derived from the quasi-Gaudin algebra. Journal of Physics A: Mathematical and Theoretical, 44 (48) 482001, 482001.1-482001.9. doi: 10.1088/1751-8113/44/48/482001

On classification of n-Lie algebras

Bai, Ruipu, Song, Guojie and Zhang, Yaozhong (2011). On classification of n-Lie algebras. Frontiers of Mathematics in China, 6 (4), 581-606. doi: 10.1007/s11464-011-0107-z

Exact solutions for a family of spin-boson systems

Lee, Yuan-Harng, Links, Jon and Zhang, Yao-Zhong (2011). Exact solutions for a family of spin-boson systems. Nonlinearity, 24 (7), 1975-1986. doi: 10.1088/0951-7715/24/7/004

Scalar products of the open XYZ chain with non-diagonal boundary terms

Yang, Wen-Li, Chen, Xi, Feng, Jun, Hao, Kun, Wu, Ke, Yang, Zhan-Ying and Zhang, Yao-Zhong (2011). Scalar products of the open XYZ chain with non-diagonal boundary terms. Nuclear Physics B, 848 (3), 523-544. doi: 10.1016/j.nuclphysb.2011.03.003

Domain wall partition function of the eight-vertex model with a non-diagonal reflecting end

Yang, Wen-Li, Chen, Xi, Feng, Jun, Hao, Kun, Shi, Kang-Jie, Sun, Cheng-Yi, Yang, Zhan-Ying and Zhang, Yao-Zhong (2011). Domain wall partition function of the eight-vertex model with a non-diagonal reflecting end. Nuclear Physics B, 847 (2), 367-386. doi: 10.1016/j.nuclphysb.2011.01.029

Determinant formula for the partition function of the six-vertex model with a non-diagonal reflecting end

Yang, WL, Chen, X, Feng, J, Hao, K, Hou, BY, Shi, KJ and Zhang, YZ (2011). Determinant formula for the partition function of the six-vertex model with a non-diagonal reflecting end. Nuclear Physics B, 844 (2), 289-307. doi: 10.1016/j.nuclphysb.2010.11.008

Determinant representations of scalar products for the open XXZ chain with non-diagonal boundary terms

Yang, Wen-Li, Chen, Xi, Feng, Jun, Hao, Kun, Hou, Bo-Yu, Shi, Kang-Jie and Zhang, Yao-Zhong (2011). Determinant representations of scalar products for the open XXZ chain with non-diagonal boundary terms. Journal of High Eneregy Physics, 2011 (1) 006, 1-18. doi: 10.1007/JHEP01(2011)006

Polynomial algebras and exact solutions of general quantum nonlinear optical models: II. Multi-mode boson systems

Lee, Yuan-Harng, Yang, Wen-Li and Zhang, Yao-Zhong (2010). Polynomial algebras and exact solutions of general quantum nonlinear optical models: II. Multi-mode boson systems. Journal of Physics A: Mathematical and Theoretical, 43 (37) 375211, 375211-01-375211-12. doi: 10.1088/1751-8113/43/37/375211

Drinfeld twists of the open XXZ chain with non-diagonal boundary terms

Yang, Wen-Li and Zhang, Yao-Zhong (2010). Drinfeld twists of the open XXZ chain with non-diagonal boundary terms. Nuclear Physics B, 831 (3), 408-428. doi: 10.1016/j.nuclphysb.2010.01.001

Polynomial algebras and exact solutions of general quantum nonlinear optical models I: two-mode boson systems

Lee, Yuan-Harng, Yang, Wen-Li and Zhang, Yao-Zhong (2010). Polynomial algebras and exact solutions of general quantum nonlinear optical models I: two-mode boson systems. Journal of Physics A: Mathematical and Theoretical, 43 (18) 185204, 185204-1-185204-17. doi: 10.1088/1751-8113/43/18/185204

Differential operator realizations of superalgebras and free field representations of corresponding current algebras

Yang, Wen-Li, Zhang, Yao-Zhong and Kault, Samuel (2009). Differential operator realizations of superalgebras and free field representations of corresponding current algebras. Nuclear Physics, Section B, 823 (3), 372-402. doi: 10.1016/j.nuclphysb.2009.06.029

Partition function of the eight-vertex model with domain wall boundary condition

Yang, Wen-Li and Zhang, Yao-Zhong (2009). Partition function of the eight-vertex model with domain wall boundary condition. Journal of Mathematical Physics, 50 (8) 083518, 083518.1-083518.14. doi: 10.1063/1.3205448

Generalized path algebras and pointed Hopf algebras

Zhang, Shou Chuan, Zhang, Yao Zhong and Guo, Xi Jing (2009). Generalized path algebras and pointed Hopf algebras. 數學研究與評論, 29 (3), 395-406. doi: 10.3770/j.issn:1000-341X.2009.03.003

3-Lie algebras with an ideal N

Bai, Rui-pu, Shen, Cai-hong and Zhang, Yao-Zhong (2009). 3-Lie algebras with an ideal N. Linear Algebra and its Applications, 431 (5-7), 673-700. doi: 10.1016/j.laa.2009.03.018

Bethe ansatz solutions to quasi exactly solvable difference equations

Sasaki, Ryu, Yang, Wen-Li and Zhang, Yao-Zhong (2009). Bethe ansatz solutions to quasi exactly solvable difference equations. Symmetry, Integrability and Geometry: Methods and Applications (SIGMA), 5 104. doi: 10.3842/SIGMA.2009.104

Free-field realization of the osp(2n/2n) current algebra

Yang, Wen-Li and Zhang, Yao-Zhong (2008). Free-field realization of the osp(2n/2n) current algebra. Physical Review D, 78 (10) 106004, 106004-1-106004-12. doi: 10.1103/PhysRevD.78.106004

Inner structure of Spinc (4) gauge potential on 4-dimensional manifolds

Liu, X., Duan, Y-S., Yang, Wen-Li and Zhang, Yao-Zhong (2008). Inner structure of Spinc (4) gauge potential on 4-dimensional manifolds. Annals of Physics, 323 (9), 2107-2114. doi: 10.1016/j.aop.2008.06.002

Local quasitriangular Hopf algebras

Zhang, Shouchuan, Gould, Mark D. and Zhang, Yao-Zhong (2008). Local quasitriangular Hopf algebras. Symmetry, Integrability and Geometry: Methods and Applications, 4 042, 1-14. doi: 10.3842/SIGMA.2008.042

Multiple reference states and complete spectrum of the Zn Belavin model with open boundaries

Yang, Wen-Li and Zhang, Yao-Zhong (2008). Multiple reference states and complete spectrum of the Zn Belavin model with open boundaries. Nuclear Physics B, 789 (3), 591-609. doi: 10.1016/j.nuclphysb.2007.07.024

On explicit free field realization of current algebras

Yang, Wen-Li and Zhang, Yao-Zhong (2008). On explicit free field realization of current algebras. Nuclear Physics B, 800 (3), 527-546. doi: 10.1016/j.nuclphysb.2008.02.011

On the second reference state and complete eigenstates of the open XXZ chain

Yang, Wen-Li and Zhang, Yao-Zhong (2007). On the second reference state and complete eigenstates of the open XXZ chain. The Journal of High Energy Physics, 2007 (4) 044, 044-1-044-10. doi: 10.1088/1126-6708/2007/04/044

Supersymmetric vertex models with domain wall boundary conditions

Zhao, S. Y. and Zhang, Y. Z. (2007). Supersymmetric vertex models with domain wall boundary conditions. Journal of Mathematical Physics, 48 (2) 023504, 023504-1-023504-12. doi: 10.1063/1.2436986

Classification of PM quiver Hopf algebras

Zhang, S., Zhang, Y. Z. and Chen, H. X. (2007). Classification of PM quiver Hopf algebras. Journal of Algebra and Its Applications, 6 (6), 919-950. doi: 10.1142/S0219498807002569

Exact classical solutions of nonlinear sigma models on supermanifolds

Sasaki, R., Yang, W. L. and Zhang, Y. Z. (2007). Exact classical solutions of nonlinear sigma models on supermanifolds. Nuclear Physics B, 772 (3), 371-384. doi: 10.1016/j.nuclphysb.2007.03.013

Finite matrix Model of Quantum Hall Fluids on S2

Chen, Y. X., Gould, M. D. and Zhang, Y. Z. (2007). Finite matrix Model of Quantum Hall Fluids on S2. Bulletin of the Australian Mathematical Society, 76 (1), 111-132. doi: 10.1017/S0004972700039502

Free field realization of current superalgebra gl(m/n)k

Yang, W. L., Zhang, Y. Z. and Liu, X. (2007). Free field realization of current superalgebra gl(m/n)k. Journal of Mathematical Physics, 48 (5) 053514, 053514.1-053514.11. doi: 10.1063/1.2739306

Structures and representations of generalized path algebras

Zhang, S. and Zhang, Y. Z. (2007). Structures and representations of generalized path algebras. Algebras and Representation Theory, 10 (2), 117-134. doi: 10.1007/s10468-006-9036-z

gl(414) current superalgebra: Free field realization and screening currents

Yang, WL, Zhang, YZ and Liu, X (2006). gl(414) current superalgebra: Free field realization and screening currents. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, 641 (3-4), 329-334. doi: 10.1016/j.physletb.2006.08.046

Q-operator and T-Q relation from the fusion hierarchy

Yang, Wen-Li, Nepomechie, Rafael I. and Zhang, Yao-Zhong (2006). Q-operator and T-Q relation from the fusion hierarchy. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, 633 (4-5), 664-670. doi: 10.1016/j.physletb.2005.12.022

Determinant representation of correlation functions for the Uq(gl(1|1)) free fermion model

Zhao, Shao-You, Yang, Wen-Li and Zhang, Yao-Zhong (2006). Determinant representation of correlation functions for the Uq(gl(1|1)) free fermion model. Journal of Mathematical Physics, 47 (1) 013302, 013302-1-013302-15. doi: 10.1063/1.2161019

Determinant representations of correlation functions for the supersymmetric t-J model

Zhao, SY, Yang, WL and Zhang, YZ (2006). Determinant representations of correlation functions for the supersymmetric t-J model. Communications In Mathematical Physics, 268 (2), 505-541. doi: 10.1007/s00220-006-0113-2

Drinfeld twists and algebraic bethe ansatz of the supersymmetric model associated with U-q(gl(m vertical bar n))

Yang, WL, Zhang, YZ and Zhao, SY (2006). Drinfeld twists and algebraic bethe ansatz of the supersymmetric model associated with U-q(gl(m vertical bar n)). Communications In Mathematical Physics, 264 (1), 87-114. doi: 10.1007/s00220-005-1513-4

On the construction of correlation functions for the integrable supersymmetric fermion models

Zhao, SY, Yang, WL and Zhang, YZ (2006). On the construction of correlation functions for the integrable supersymmetric fermion models. International Journal of Modern Physics B, 20 (5), 505-549. doi: 10.1142/S0217979206033383

T-Q relation and exact solution for the XYZ chain with general non-diagonal boundary terms

Yang, WL and Zhang, YZ (2006). T-Q relation and exact solution for the XYZ chain with general non-diagonal boundary terms. Nuclear Physics B, 744 (3), 312-329. doi: 10.1016/j.nuclphysb.2006.03.025

Drinfeld twists and symmetric Bethe vectors of supersymmetric fermion models

Zhao, Shao-You, Yang, Wen-Li and Zhang, Yao-Zhong (2005). Drinfeld twists and symmetric Bethe vectors of supersymmetric fermion models. Journal of Statistical Mechanics: Theory and Experiment, 2005 (April), PO4005-1-PO4005-24. doi: 10.1088/1742-5468/2005/04/P04005

Exact solution of the A(n-1)((1)) trigonometric vertex model with non-diagonal open boundaries

Yang, Wen-Li and Zhang, Yao-Zhong (2005). Exact solution of the A(n-1)((1)) trigonometric vertex model with non-diagonal open boundaries. The Journal of High Energy Physics, 2005 (1), 021-1-021-21. doi: 10.1088/1126-6708/2005/01/021

A unified and complete construction of all finite dimensional irreducible representations of gl(2|2)

Zhang, Yao-Zhong and Gould, M. D. (2005). A unified and complete construction of all finite dimensional irreducible representations of gl(2|2). Journal of Mathematical Physics, 46 (1) 013505, 013505-1-013505-19. doi: 10.1063/1.1812829

A(n-1) Gaudin model with open boundaries

Yang, Wen-Li, Zhang, Yao-Zhong and Sasaki, Ryu (2005). A(n-1) Gaudin model with open boundaries. Nuclear Physics B, 729 (3), 594-610. doi: 10.1016/j.nuclphysb.2005.09.003

Axial Anomaly for Eguchi-Hanson Metrics with Nonzero Total Mass

Zhang, X. and Zhang, Y. Z. (2005). Axial Anomaly for Eguchi-Hanson Metrics with Nonzero Total Mass. Communications In Theoretical Physics, 43 (1), 79-80. doi: 10.1088/0253-6102/43/1/016

Primary Fields and Screening Currents of gl (2/2) non-unitary conformal field theory

Zhang, Y. Z., Liu, X. and Yang, W. L. (2005). Primary Fields and Screening Currents of gl (2/2) non-unitary conformal field theory. Nuclear Physics B, 704 (3), 510-526. doi: 10.1016/j.nuclphysb.2004.10.011

Various topological excitations in the SO(4) gauge field in higher dimensions

Liu, X, Zhang, YZ, Duan, YS and Fu, LB (2005). Various topological excitations in the SO(4) gauge field in higher dimensions. Annals of Physics, 318 (2), 419-431. doi: 10.1016/j.aop.2005.02.001

Non-diagonal solutions of the reflection equation for the trigonometric A((1)) (n-1) vertex model

Yang, Wen-Li and Zhang, Yao-Zhong (2004). Non-diagonal solutions of the reflection equation for the trigonometric A((1)) (n-1) vertex model. The Journal of High Energy Physics, 8 (12), 19-1-19-12. doi: 10.1088/1126-6708/2004/12/019

Braided m-Lie algebras

Zhang, S. H. and Zhang, Y. Z. (2004). Braided m-Lie algebras. Letters In Mathematical Physics, 70 (2), 155-167. doi: 10.1007/s11005-004-4294-3

Z(n) elliptic Gaudin model with open boundaries

Yang, Wen-Li, Sasaki, Ryu and Zhang, Yao-Zhong (2004). Z(n) elliptic Gaudin model with open boundaries. The Journal of High Energy Physics, 2004 (9), 046-1-046-18. doi: 10.1088/1126-6708/2004/09/046

Drinfield twists and alegebraic Bethe ansatz of the supersymmetric t-J model

Yang, Wen-Li, Zhang, Yao-Zhong and Zhao, Shao-You (2004). Drinfield twists and alegebraic Bethe ansatz of the supersymmetric t-J model. The Journal of High Energy Physics, 8 (12), 038-1-038-24. doi: 10.1088/1126-6708/2004/12/038

Coherent state construction of representations of osp(2|2) and primary fields of osp(2|2) conformal field theory

Zhang, Y. Z. (2004). Coherent state construction of representations of osp(2|2) and primary fields of osp(2|2) conformal field theory. Physics Letters A, 327 (5-6), 442-451. doi: 10.1016/j.physleta.2004.05.017

Exact solution of the XXZ Gaudin model with generic open boundaries

Yang, W. L., Zhang, Y. Z. and Gould, M. D. (2004). Exact solution of the XXZ Gaudin model with generic open boundaries. Nuclear Physics B, 698 (3), 503-516. doi: 10.1016/j.nuclphysb.2004.07.029

Quantum doubles from a class of noncocommutative weak Hopf algebras

Li, F and Zhang, YZ (2004). Quantum doubles from a class of noncocommutative weak Hopf algebras. Journal of Mathematical Physics, 45 (8), 3266-3281. doi: 10.1063/1.1767989

On osp(2|2) conformal field theories

Ding, Xiang-Mao, Gould, Mark D., Mewton, Courtney J. and Zhang, Yao-Zhong (2003). On osp(2|2) conformal field theories. Journal of Physics A-mathematical And General, 36 (11), 7649-7665. doi: 10.1088/0305-4470/36/27/316

gl(2 vertical bar 2) current superalgebra and non-unitary conformal field theory

Ding, X. M., Gould, M. D. and Zhang, Y. Z. (2003). gl(2 vertical bar 2) current superalgebra and non-unitary conformal field theory. Physics Letters A, 318 (4-5), 354-363. doi: 10.1016/j.physleta.2003.08.034

Elliptic Gaudin models and elliptic KZ equations

Gould, Mark D., Zhang, Yao-Zhong and Zhao, Shao-You (2002). Elliptic Gaudin models and elliptic KZ equations. Nuclear Physics B, 630 (3), 492-508. doi: 10.1016/S0550-3213(02)00136-0

Twisted parafermions

Ding, Xiang-Mao, Gould, Mark D. and Zhang, Yao-Zhong (2002). Twisted parafermions. Physics Letters B, 530 (1-4), 197-201. doi: 10.1016/S0370-2693(02)01319-9

The q-deformed supersymmetric t-J model with a boundary

Hou, B. Y., Yang, W. L., Zhang, Y. Z. and Zhen, Y. (2002). The q-deformed supersymmetric t-J model with a boundary. Journal of Physics A-mathematical And General, 35 (11), 2593-2608. doi: 10.1088/0305-4470/35/11/306

A(2)((2)) parafermions: a new conformal field theory

Ding, XM, Gould, MD and Zhang, YZ (2002). A(2)((2)) parafermions: a new conformal field theory. Nuclear Physics B, 636 (3) 8334, 549-567. doi: 10.1016/S0550-3213(02)00335-8

Free field and parafermionic realizations of twisted su(3)(k)((2)) current algebra

Ding, X. M., Gould, M. D. and Zhang, Y. Z. (2002). Free field and parafermionic realizations of twisted su(3)(k)((2)) current algebra. International Journal of Modern Physics B, 16 (14 & 15), 2153-2159. doi: 10.1142/S0217979202011913

R-matrices and the tensor product graph method

Gould, M. D. and Zhang, Y. Z. (2002). R-matrices and the tensor product graph method. International Journal of Modern Physics B, 16 (14 & 15), 2145-2151. doi: 10.1142/S0217979202011901

Supersymmetric t-J Gaudin models and KZ equations

Gould, M. D., Zhang, Y. Z. and Zhao, S. Y. (2002). Supersymmetric t-J Gaudin models and KZ equations. Journal of Physics A-mathematical And General, 35 (44), 9381-9393. doi: 10.1088/0305-4470/35/44/308

On Quasi-Hopf Superalgebras

Gould, Mark D., Zhang, Yao-Zhong and Isaac, Phillip S. (2001). On Quasi-Hopf Superalgebras. Communications in Mathematical Physics, 224 (2), 341-372. doi: 10.1007/s00220-001-0566-2

Drinfeld basis of the twisted quantum affine algebra Uq(A(2)((2))) from the Gauss decomposition of an L-operator

Yang, Wen-Li and Zhang, Yao-Zhong (2001). Drinfeld basis of the twisted quantum affine algebra Uq(A(2)((2))) from the Gauss decomposition of an L-operator. Journal of physics. A, Mathematical and general physics, 34 (13), L205-L211. doi: 10.1088/0305-4470/34/13/107

Izergin-Korepin model with a boundary

Yang, WL and Zhang, YZ (2001). Izergin-Korepin model with a boundary. Nuclear Physics B, 596 (3), 495-512. doi: 10.1016/S0550-3213(00)00694-5

Twisted sl(3, C)(k)((2)) current algebra: free field representation and screening currents

Ding, XM, Gould, MD and Zhang, YZ (2001). Twisted sl(3, C)(k)((2)) current algebra: free field representation and screening currents. Physics Letters B, 523 (3-4), 367-376. doi: 10.1016/S0370-2693(01)01361-2

Level-one highest weight representation of U-q[sl((N)over-cap vertical bar 1)] and Bosonization of the multicomponent Super t-J model

Yang, Wen-Li and Zhang, Yao-Zhong (2000). Level-one highest weight representation of U-q[sl((N)over-cap vertical bar 1)] and Bosonization of the multicomponent Super t-J model. Journal of Mathematical Physics, 41 (8), 5849-5869. doi: 10.1063/1.533441

Level-one highest weight representations of U-q[g1(1 vertical bar 1)] and associated vertex operators

Yang, Wen-Li and Zhang, Yao-Zhong (2000). Level-one highest weight representations of U-q[g1(1 vertical bar 1)] and associated vertex operators. Physics Letters A, 267 (2-3), 157-166. doi: 10.1016/S0375-9601(00)00085-2

Twisted quantum affine superalgebra Uq[gl(m|n)(2)] and new Uq[osp(m|n)] invariant R-matrices

Gould, M. D. and Zhang, Yao-Zhong (2000). Twisted quantum affine superalgebra Uq[gl(m|n)(2)] and new Uq[osp(m|n)] invariant R-matrices. Nuclear Physics B, 566 (3), 529-546. doi: 10.1016/S0550-3213(99)00516-7

Casimir invariants from quasi-Hopf (super)algebras

Gould, Mark D., Zhang, Yao-Zhong and Isaac, Phillip S. (2000). Casimir invariants from quasi-Hopf (super)algebras. Journal of Mathematical Physics, 41 (1), 547-568. doi: 10.1063/1.533151

Twisting invariance of link polynomials derived from ribbon quasi-Hopf algebras

Links, JR, Gould, MD and Zhang, YZ (2000). Twisting invariance of link polynomials derived from ribbon quasi-Hopf algebras. Journal of Mathematical Physics, 41 (7), 5020-5032. doi: 10.1063/1.533390

U-q[(sl(2)over-cap vertical bar 1)] vertex operators, screen currents, and correlation functions at an arbitrary level

Zhang, YZ and Gould, MD (2000). U-q[(sl(2)over-cap vertical bar 1)] vertex operators, screen currents, and correlation functions at an arbitrary level. Journal of Mathematical Physics, 41 (8), 5277-5291. doi: 10.1063/1.533409

Uq[sl(2|1)] vertex operators, screen currents and correlation functions at arbitrary level

Zhang, Yao-Zhong and Gould, M. D. (2000). Uq[sl(2|1)] vertex operators, screen currents and correlation functions at arbitrary level. Journal of Mathematical Physics, 41, 5277-5291.

Vertex operators of Uq[gl[(N|N)] and highest weight representations of Uq[gl(2|2)]

Yang, Wen-Li and Zhang, Yao-Zhong (2000). Vertex operators of Uq[gl[(N|N)] and highest weight representations of Uq[gl(2|2)]. Journal of Mathematical Physics, 41 (4), 2460-2481. doi: 10.1063/1.533252

Drinfeld basis and free boson representation of twisted quantum affine superalgebra Uq[osp(2 | 2)(2)]

Yang, Wen-Li and Zhang, Yao-Zhong (1999). Drinfeld basis and free boson representation of twisted quantum affine superalgebra Uq[osp(2 | 2)(2)]. Physics Letters A, 261 (5-6), 252-258. doi: 10.1016/S0375-9601(99)00644-1

The twisted quantum affine algebra Uq[A2(2)] and correlation function of the IK model

Hou, Bo-Yu, Yang, Wen-Li and Zhang, Yao-Zhong (1999). The twisted quantum affine algebra Uq[A2(2)] and correlation function of the IK model. Nuclear Physics B, 556 (3), 485-504. doi: 10.1016/S0550-3213(99)00348-X

Highest weight representation of Uq[sl(2 | 1)) and correlation function of the q-deformed supersymmetric t-J model

Yang, Wen-Li and Zhang, Yao-Zhong (1999). Highest weight representation of Uq[sl(2 | 1)) and correlation function of the q-deformed supersymmetric t-J model. Nuclear Physics B, 547 (3), 599-622. doi: 10.1016/S0550-3213(99)00050-4

Boundary two-parameter eight-state supersymmetric Fermion model and Bethe Ansatz solution

Bracken, A. J., Ge, X. Y., Zhang, Y. Z. and Zhou, H. Q. (1999). Boundary two-parameter eight-state supersymmetric Fermion model and Bethe Ansatz solution. Bulletin of the Australian Mathematical Society, 59 (3), 375-390. doi: 10.1017/S0004972700033050

Level-one representations and vertex operators of quantum affine superalgebra Uq[gl(N | N)]

Zhang, Yao-Zhong (1999). Level-one representations and vertex operators of quantum affine superalgebra Uq[gl(N | N)]. Journal of Mathematical Physics, 40 (11), 6110-6124. doi: 10.1063/1.533073

Quasi-Hopf superalgebras and elliptic quantum supergroups

Zhang, YZ and Gould, MD (1999). Quasi-Hopf superalgebras and elliptic quantum supergroups. Journal of Mathematical Physics, 40 (10), 5264-5282. doi: 10.1063/1.533029

Quasispin graded-fermion formalism and gl(m vertical bar n)down arrow osp(m vertical bar n) branching rules

Gould, Mark D. and Zhang, Yao-Zhong (1999). Quasispin graded-fermion formalism and gl(m vertical bar n)down arrow osp(m vertical bar n) branching rules. Journal of Mathematical Physics, 40 (11), 5371-5386. doi: 10.1063/1.533075

Integrable eight-state supersymmetric U model with boundary terms and its Bethe ansatz solution

Ge, Xiang-Yu, Gould, Mark D., Zhang, Yao-Zhong and Zhou, Huan-Qiang (1998). Integrable eight-state supersymmetric U model with boundary terms and its Bethe ansatz solution. Physics Letters, Section A: General, Atomic and Solid State Physics, 238 (4-5), 309-314. doi: 10.1016/S0375-9601(97)00959-6

A new two-parameter integrable model of strongly correlated fermions with quantum superalgebra symmetry

Ge, XY, Gould, MD, Zhang, YZ and Zhou, HQ (1998). A new two-parameter integrable model of strongly correlated fermions with quantum superalgebra symmetry. Journal of Physics A-mathematical And General, 31 (23), 5233-5239. doi: 10.1088/0305-4470/31/23/006

An open-boundary integrable model of three coupled XY spin chains

Bracken, AJ, Ge, XY, Zhang, YZ and Zhou, HQ (1998). An open-boundary integrable model of three coupled XY spin chains. Nuclear Physics B, 516 (3), 603-622. doi: 10.1016/S0550-3213(98)00066-2

Eight-state supersymmetric U model of strongly correlated fermions

Gould, MD, Zhang, YZ and Zhou, HQ (1998). Eight-state supersymmetric U model of strongly correlated fermions. Physical Review B, 57 (16), 9498-9501. doi: 10.1103/PhysRevB.57.9498

Integrable eight-state supersymmetric U model with boundary terms and its Bethe ansatz solution

Ge, XY, Gould, MD, Zhang, YZ and Zhou, HQ (1998). Integrable eight-state supersymmetric U model with boundary terms and its Bethe ansatz solution. Physics Letters A, 238 (4-5), 309-314. doi: 10.1016/S0375-9601(97)00959-6

Integrable open-boundary conditions for the q-deformed supersymmetric U model of strongly correlated electrons

Bracken, AJ, Ge, XY, Zhang, YZ and Zhou, HQ (1998). Integrable open-boundary conditions for the q-deformed supersymmetric U model of strongly correlated electrons. Nuclear Physics B, 516 (3), 588-602. doi: 10.1016/S0550-3213(98)00067-4

New integrable boundary conditions for the q-deformed supersymmetric U model and Bethe ansatz equations

Zhang, YZ and Zhou, HQ (1998). New integrable boundary conditions for the q-deformed supersymmetric U model and Bethe ansatz equations. Physics Letters A, 244 (5), 427-431. doi: 10.1016/S0375-9601(98)00349-1

Nine classes of integrable boundary conditions for the eight-state supersymmetric fermion model

Zhang, YZ and Zhou, HQ (1998). Nine classes of integrable boundary conditions for the eight-state supersymmetric fermion model. Journal of Physics A-mathematical And General, 31 (34), 7051-7059. doi: 10.1088/0305-4470/31/34/008

On super-RS algebra and Drinfeld realization of quantum affine superalgebras

Gould, MD and Zhang, YZ (1998). On super-RS algebra and Drinfeld realization of quantum affine superalgebras. Letters In Mathematical Physics, 44 (4), 291-308. doi: 10.1023/A:1007494602290

On the graded quantum Yang-Baxter and reflection equations

Zhang, YZ (1998). On the graded quantum Yang-Baxter and reflection equations. Communications In Theoretical Physics, 29 (3), 377-380. doi: 10.1088/0253-6102/29/3/377

Quantum integrability and exact solution of the supersymmetric U model with boundary terms

Zhang, YZ and Zhou, HQ (1998). Quantum integrability and exact solution of the supersymmetric U model with boundary terms. Physical Review B, 58 (1), 51-53. doi: 10.1103/PhysRevB.58.51

Comments on the Drinfeld realization of the quantum affine superalgebra U-q[gl(m backslash n)(1)] and its Hopf algebra structure

Zhang, YZ (1997). Comments on the Drinfeld realization of the quantum affine superalgebra U-q[gl(m backslash n)(1)] and its Hopf algebra structure. Journal of Physics A-mathematical And General, 30 (23), 8325-8335. doi: 10.1088/0305-4470/30/23/028

Super-Yangian double and its central extension

Zhang, YZ (1997). Super-Yangian double and its central extension. Physics Letters A, 234 (1), 20-26. doi: 10.1016/S0375-9601(97)00560-4

Twisted quantum affine superalgebra U-q[sl(2/2)((2))], U-q[osp(2/2)] invariant R-matrices and a new integrable electronic model

Gould, MD, Links, JR, Zhang, YZ and Tsohantjis, I (1997). Twisted quantum affine superalgebra U-q[sl(2/2)((2))], U-q[osp(2/2)] invariant R-matrices and a new integrable electronic model. Journal of Physics A-mathematical And General, 30 (12), 4313-4325. doi: 10.1088/0305-4470/30/12/018

Quantum Lie algebras associated to U-q(gl(n)) and U-q(sl(n))

Delius, GW, Huffmann, A, Gould, MD and Zhang, YZ (1996). Quantum Lie algebras associated to U-q(gl(n)) and U-q(sl(n)). Journal of Physics A-Mathematical and General, 29 (17), 5611-5617. doi: 10.1088/0305-4470/29/17/031

Reflection K-matrices of the 19-vertex model and XXZ spin-1 chain with general boundary terms

Inami, T, Odake, S and Zhang, YZ (1996). Reflection K-matrices of the 19-vertex model and XXZ spin-1 chain with general boundary terms. Nuclear Physics B, 470 (3), 419-432. doi: 10.1016/0550-3213(96)00133-2

Twisted quantum affine algebras and solutions to the Yang-Baxter equation

Delius, GW, Gould, MD and Zhang, YZ (1996). Twisted quantum affine algebras and solutions to the Yang-Baxter equation. International Journal of Modern Physics a, 11 (19), 3415-3437. doi: 10.1142/S0217751X96001632

Integrable four-Fermi models with a boundary and boson-fermion duality

Inami, Takeo, Konno, Hitoshi and Zhang, Yao-Zhong (1996). Integrable four-Fermi models with a boundary and boson-fermion duality. Physics Letters B, 376 (1-3), 90-96. doi: 10.1016/0370-2693(96)00295-X

Eigenvalues of casimir invariants for type I quantum superalgebras

Gould, MD, Links, JR and Zhang, YZ (1996). Eigenvalues of casimir invariants for type I quantum superalgebras. Letters in Mathematical Physics, 36 (4), 415-425. doi: 10.1007/BF00714406

Integrable electron model with correlated hopping and quantum supersymmetry

Gould, Mark D., Hibberd, Katrina E., Links, Jon R. and Zhang, Yao-Zhong (1996). Integrable electron model with correlated hopping and quantum supersymmetry. Physics letters A, 212 (3), 156-160. doi: 10.1016/0375-9601(96)00042-4

Type-I quantum superalgebras, q-supertrace, and two-variable link polynomials

Gould, MD, Links, JR and Zhang, YZ (1996). Type-I quantum superalgebras, q-supertrace, and two-variable link polynomials. Journal of Mathematical Physics, 37 (2), 987-1003. doi: 10.1063/1.531422

An extended supersymmetric t-J model

Zhang, YZ (1995). An extended supersymmetric t-J model. Acta Physica Polonica a, 88 (6), 1119-1122. doi: 10.12693/APhysPolA.88.1119

Solutions of the Yang-Baxter Equation with Extra Nonadditive Parameters .2. U-Q(gl(m-Vertical-Bar-N))

Delius, GW, Gould, MD, Links, JR and Zhang, YZ (1995). Solutions of the Yang-Baxter Equation with Extra Nonadditive Parameters .2. U-Q(gl(m-Vertical-Bar-N)). Journal of Physics A-Mathematical and General, 28 (21), 6203-6210. doi: 10.1088/0305-4470/28/21/023

Supersymmetric Extension of the Sine-Gordon Theory with Integrable Boundary Interactions

Inami, T, Odake, S and Zhang, YZ (1995). Supersymmetric Extension of the Sine-Gordon Theory with Integrable Boundary Interactions. Physics Letters B, 359 (1-2), 118-124. doi: 10.1016/0370-2693(95)01072-X

On Type-I Quantum Affine Superalgebras

Delius, GW, Gould, MD, Links, JR and Zhang, YZ (1995). On Type-I Quantum Affine Superalgebras. International Journal of Modern Physics a, 10 (23), 3259-3281. doi: 10.1142/S0217751X95001571

Finite-Dimensional Representations of Quantum Affine Algebras

Delius, GW and Zhang, YZ (1995). Finite-Dimensional Representations of Quantum Affine Algebras. Journal of Physics A-Mathematical and General, 28 (7), 1915-1927. doi: 10.1088/0305-4470/28/7/014

New Supersymmetric and Exactly Solvable Model of Correlated Electrons

Bracken, AJ, Gould, MD, Links, JR and Zhang, YZ (1995). New Supersymmetric and Exactly Solvable Model of Correlated Electrons. Physical Review Letters, 74 (14), 2768-2771. doi: 10.1103/PhysRevLett.74.2768

Quantized Affine Algebras and Parameter-Dependent R-Matrices

Bracken, AJ, Gould, MD and Zhang, YZ (1995). Quantized Affine Algebras and Parameter-Dependent R-Matrices. Bulletin of the Australian Mathematical Society, 51 (2), 177-194. doi: 10.1017/S0004972700014040

On the Construction of Trigonometric Solutions of the Yang-Baxter Equation

Delius, GW, Gould, MD and Zhang, YZ (1994). On the Construction of Trigonometric Solutions of the Yang-Baxter Equation. Nuclear Physics B, 432 (1-2), 377-403. doi: 10.1016/0550-3213(94)90607-6

Quantum Affine Lie-Algebras, Casimir Invariants, and Diagonalization of the Braid Generator

Gould, MD and Zhang, YZ (1994). Quantum Affine Lie-Algebras, Casimir Invariants, and Diagonalization of the Braid Generator. Journal of Mathematical Physics, 35 (12), 6757-6773. doi: 10.1063/1.530641

Infinite Families of Gauge-Equivalent R-Matrices and Gradations of Quantized Affine Algebras

Bracken, AJ, Gould, MD, Zhang, YZ and Delius, GW (1994). Infinite Families of Gauge-Equivalent R-Matrices and Gradations of Quantized Affine Algebras. International Journal of Modern Physics B, 8 (25-26), 3679-3691. doi: 10.1142/S0217979294001585

Solutions of the Quantum Yang-Baxter Equation with Extra Nonadditive Parameters

Bracken, AJ, Gould, MD, Zhang, YZ and Delius, GW (1994). Solutions of the Quantum Yang-Baxter Equation with Extra Nonadditive Parameters. Journal of Physics A-Mathematical and General, 27 (19) 025, 6551-6561. doi: 10.1088/0305-4470/27/19/025

On Universal R-Matrix for Quantized Nontwisted Rank-3 Affine Km Algebras (Vol 29, Pg 19, 1993)

Zhang, Y. Z. and Gould, M. D. (1994). On Universal R-Matrix for Quantized Nontwisted Rank-3 Affine Km Algebras (Vol 29, Pg 19, 1993). Letters in Mathematical Physics, 32 (1), 83-83.

Quantum Affine Algebras and Universal R-Matrix with Spectral Parameter

Zhang, YZ and Gould, MD (1994). Quantum Affine Algebras and Universal R-Matrix with Spectral Parameter. Letters in Mathematical Physics, 31 (2), 101-110. doi: 10.1007/BF00750144

Casimir Invariants for Quantized Affine Lie-Algebras

Gould, MD and Zhang, YZ (1994). Casimir Invariants for Quantized Affine Lie-Algebras. Letters in Mathematical Physics, 31 (1), 77-83. doi: 10.1007/BF00751173

Quantized Affine Lie-Algebras and Diagonalization of Braid Generators

Gould, MD and Zhang, YZ (1994). Quantized Affine Lie-Algebras and Diagonalization of Braid Generators. Letters in Mathematical Physics, 30 (4), 267-277. doi: 10.1007/BF00751063

Unitarity and Complete Reducibility of Certain Modules Over Quantized Affine Lie-Algebras

Zhang, YZ and Gould, MD (1993). Unitarity and Complete Reducibility of Certain Modules Over Quantized Affine Lie-Algebras. Journal of Mathematical Physics, 34 (12), 6045-6059. doi: 10.1063/1.530249

On Universal R-Matrix for Quantized Nontwisted Rank 3 Affine Km Algebras

Zhang, YZ and Gould, MD (1993). On Universal R-Matrix for Quantized Nontwisted Rank 3 Affine Km Algebras. Letters in Mathematical Physics, 29 (1), 19-32. doi: 10.1007/BF00760855

Affine Yang-Mills Theory and Affine Self-Dual Chern-Simons Solitons

Zhang, YZ (1992). Affine Yang-Mills Theory and Affine Self-Dual Chern-Simons Solitons. Letters in Mathematical Physics, 26 (3), 219-226. doi: 10.1007/BF00420755

Loop Group-Valued Cs and Wznw Models, Integrable Systems, and Self-Dual Yang-Mills Theory

Zhang, YZ (1992). Loop Group-Valued Cs and Wznw Models, Integrable Systems, and Self-Dual Yang-Mills Theory. Letters in Mathematical Physics, 26 (3), 227-233. doi: 10.1007/BF00420756

On Classical Exchange Algebra of the Affine (2-Loop) Wznw Model

Zhang, YZ (1992). On Classical Exchange Algebra of the Affine (2-Loop) Wznw Model. Nuovo Cimento Della Societa Italiana Di Fisica A-Nuclei Particles and Fields, 105 (11), 1673-1678. doi: 10.1007/BF02731081

Superconformal Affine Liouville Theory

Toppan, F and Zhang, YZ (1992). Superconformal Affine Liouville Theory. Physics Letters B, 292 (1-2), 67-76. doi: 10.1016/0370-2693(92)90609-8

N-Extended Super-Liouville Theory From Osp (n-Vertical-Bar-2) Wznw Model

Zhang, YZ (1992). N-Extended Super-Liouville Theory From Osp (n-Vertical-Bar-2) Wznw Model. Physics Letters B, 283 (3-4), 237-242. doi: 10.1016/0370-2693(92)90014-U

Affine (2-Loop) Wznw Model, Reduction and Spontaneous Breakdown of Conformal Symmetry

Zhang, YZ (1992). Affine (2-Loop) Wznw Model, Reduction and Spontaneous Breakdown of Conformal Symmetry. Modern Physics Letters a, 7 (16), 1399-1409. doi: 10.1142/S0217732392001075

Affine Cs Theories and Wznw Models

Bonora, L, Martellini, M and Zhang, YZ (1991). Affine Cs Theories and Wznw Models. Nuclear Physics B, 365 (3), 655-679. doi: 10.1016/0550-3213(91)90514-X

Generalized Sine-Gordon Theory and Perturbed Sl(2)kappa Wznw Model

Zhang, YZ (1991). Generalized Sine-Gordon Theory and Perturbed Sl(2)kappa Wznw Model. Modern Physics Letters a, 6 (22), 2023-2032. doi: 10.1142/S0217732391002190

Sl(2)k Wznw Models, Perturbations and Integrable Models

Bonora, L, Zhang, YZ and Martellini, M (1991). Sl(2)k Wznw Models, Perturbations and Integrable Models. International Journal of Modern Physics a, 6 (9), 1617-1639. doi: 10.1142/S0217751X9100085X

Affine Cs Theories, Affine Wznw Models and Integrable Models

Bonora, L, Martellini, M and Zhang, YZ (1991). Affine Cs Theories, Affine Wznw Models and Integrable Models. Physics Letters B, 253 (3-4), 373-379. doi: 10.1016/0370-2693(91)91735-E

Derivation of Anomalous Commutator and Jacobian From Very General Conditions

Zhang, YZ (1989). Derivation of Anomalous Commutator and Jacobian From Very General Conditions. Physical Review Letters, 62 (19), 2221-2224. doi: 10.1103/PhysRevLett.62.2221

Some Algebraic Identities in Anomalous Gauge-Theories

Zhang, YZ (1989). Some Algebraic Identities in Anomalous Gauge-Theories. Journal of Physics A-Mathematical and General, 22 (9), L371-L375. doi: 10.1088/0305-4470/22/9/004

Covariant Anomaly and Cohomology in Connection Space

Zhang, YZ (1989). Covariant Anomaly and Cohomology in Connection Space. Physics Letters B, 219 (4), 439-442. doi: 10.1016/0370-2693(89)91091-5

Algebraic Aspects of the Descent Equations

Zhang, YZ (1988). Algebraic Aspects of the Descent Equations. Journal of Physics A-Mathematical and General, 21 (22), L1055-L1057. doi: 10.1088/0305-4470/21/22/003

The Virasoro Algebra and Group in 4 Dimensions

Zhang, YZ (1988). The Virasoro Algebra and Group in 4 Dimensions. Journal of Mathematical Physics, 29 (5), 1241-1243. doi: 10.1063/1.528199

Chiral Jacobian and Wess-Zumino-Witten Term in the Hybrid Chiral Bag Model

Chen, YX, Yue, RH and Zhang, YZ (1988). Chiral Jacobian and Wess-Zumino-Witten Term in the Hybrid Chiral Bag Model. Physics Letters B, 202 (4), 587-590. doi: 10.1016/0370-2693(88)91869-2

Cohomological Analysis in Skyrme Model and Boundary Effect of Chiral Bag Model

Hou, BY, Chen, YX and Zhang, YZ (1988). Cohomological Analysis in Skyrme Model and Boundary Effect of Chiral Bag Model. Scientia Sinica Series A-Mathematical Physical Astronomical & Technical Sciences, 31 (2), 172-182.

Some Remarks On the Extension of Loop-Groups

Hou, BY and Zhang, YZ (1988). Some Remarks On the Extension of Loop-Groups. Journal of Physics A-Mathematical and General, 21 (2), 345-352. doi: 10.1088/0305-4470/21/2/013

Removing Faddeev Commutator Anomaly

Zhang, YZ (1987). Removing Faddeev Commutator Anomaly. Letters in Mathematical Physics, 14 (4), 303-310. doi: 10.1007/BF00402139

Another Construction of the Virasoro Group

Zhang, YZ (1987). Another Construction of the Virasoro Group. Journal of Physics A-Mathematical and General, 20 (11), 3099-3102. doi: 10.1088/0305-4470/20/11/016

Cohomology in Connection Space, Family Index Theorem, and Abelian Gauge Structure

Hou, BY and Zhang, YZ (1987). Cohomology in Connection Space, Family Index Theorem, and Abelian Gauge Structure. Journal of Mathematical Physics, 28 (8), 1709-1715. doi: 10.1063/1.527480

Errata: Comment on the constraint for anomalous Jacobi identity

Huo, Bo-Yu and Zhang, Yao-zhong (1987). Errata: Comment on the constraint for anomalous Jacobi identity. Modern Physics Letters A, 02 (06), 447-447. doi: 10.1142/s0217732387001324

Realization of the 3-Cocycle of the Gauge Group in Hamiltonian-Dynamics

Zhang, YZ (1987). Realization of the 3-Cocycle of the Gauge Group in Hamiltonian-Dynamics. Physics Letters B, 189 (1-2), 149-153. doi: 10.1016/0370-2693(87)91287-1

Exact Calculation of the Fermion Determinant in Chiral Qcd2 Reflecting the Full Regularization Dependence

Zhang, YZ (1987). Exact Calculation of the Fermion Determinant in Chiral Qcd2 Reflecting the Full Regularization Dependence. Zeitschrift Fur Physik C-Particles and Fields, 36 (3), 449-453. doi: 10.1007/BF01573939

Comment on the constraint for anomalous Jacobi identity

Hou, Bo-Yu and Zhang, Yao-zhong (1986). Comment on the constraint for anomalous Jacobi identity. Modern Physics Letters A, 01 (02), 103-110. doi: 10.1142/s0217732386000154

THE EFFECT OF CHARGE CARRIED BY HIGGS FIELDS ON THE PHASE-STRUCTURE OF THE 4-D U(1) VARIED-MODULAR HIGGS-MODEL

SONG, YS, SHI, JM and ZHANG, YZ (1986). THE EFFECT OF CHARGE CARRIED BY HIGGS FIELDS ON THE PHASE-STRUCTURE OF THE 4-D U(1) VARIED-MODULAR HIGGS-MODEL. Communications in Theoretical Physics, 5 (4), 311-322.

Coherent states for rational extensions and ladder operators related to infinite-dimensional representations

Hoffmann, Scott E., Hussin, Véronique, Marquette, Ian and Zhang, Yao-Zhong (2019). Coherent states for rational extensions and ladder operators related to infinite-dimensional representations. XXVI International Conference on Integrable Systems and Quantum symmetries, Prague, Czech Republic, 8–12 July 2019. Bristol, United Kingdom: Institute of Physics Publishing. doi: 10.1088/1742-6596/1416/1/012013

On superintegrable monopole systems

Hoque, Md Fazlul, Marquette, Ian and Zhang, Yao-Zhong (2018). On superintegrable monopole systems. 25th International Conference on Integrable Systems and Quantum Symmetries, ISQS 2017, Prague, Czech Republic, 6-10June 2017. Bristol, United Kingdom: Institute of Physics Publishing. doi: 10.1088/1742-6596/965/1/012018

Family of N-dimensional superintegrable systems and quadratic algebra structures

Hoque, Md Fazlul, Marquette, Ian and Zhang, Yao-Zhong (2016). Family of N-dimensional superintegrable systems and quadratic algebra structures. 23rd International Conference on Integrable Systems and Quantum Symmetries, ISQS 2015, Prague, Czech Republic, 23 - 27 June 2015. Bristol, United Kingdom: Institute of Physics Publishing. doi: 10.1088/1742-6596/670/1/012024

Exactly solvable, non-Hermitian BCS Hamiltonian

Moghaddam, Amir , Links, Jon and Zhang, Yao-Zhong (2013). Exactly solvable, non-Hermitian BCS Hamiltonian. XXIX International Colloquium on Group-Theoretical Methods in Physics, Tianjin, China, 20-26 August 2012. City of Singapore, Singapore: World Scientific Publishing.

Solvable 3-Lie algebras with a maximal hypo-nilpotent ideal N

Bai, Rui-Pu, Shen, Cai-Hong and Zhang, Yao-Zhong (2010). Solvable 3-Lie algebras with a maximal hypo-nilpotent ideal N. 3rd International Workshop on Matrix Analysis and Applications, Hangzhou, People's Republic of China, 9-13 July 2009. Pensacola, FL, U.S.A.: International Linear Algebra Society.

Bethe ansatz solutions to quasi exactly solvable difference equations

Sasaki, Ryu, Yang, Wen-Li and Zhang, Yao-Zhong (2009). Bethe ansatz solutions to quasi exactly solvable difference equations. Analytic and Algebraic Methods V, Ukraine, Czech Republic, May 27–28 2009. Tereschenkivska, Ukraine: Natsional'na Akademiya Nauk Ukrainy. doi: 10.3842/SIGMA.2009.104

Drinfeld current realization and vertex operators of Uq[osp(1 | 2)(1)]

Zhang, Y.Z. (1999). Drinfeld current realization and vertex operators of Uq[osp(1 | 2)(1)]. XXII International Colloquium on Group Theoretical Method in Physics, Hobart, 13-17 Jul 1998. Boston: International Press.

On quasi-Hopf and elliptic superalgebras

Zhang, Y.Z. (1999). On quasi-Hopf and elliptic superalgebras. Gauge Theory and Integrable Models, Kyoto, 26-29 January, 1999. Kyoto, Japan: Kyoto University. doi: 10.1143/PTPS.135.182

Drinfeld current realization and vertex operators of U-q[osp(1/2)((1))]

Zhang, YZ (1998). Drinfeld current realization and vertex operators of U-q[osp(1/2)((1))]. 12th International Colloquium on Group Theoretical Methods in Physics (Group 22), Hobart Australia, Jul 13-17, 1998. CAMBRIDGE: INTERNATIONAL PRESS INC BOSTON.