Letters in Mathematical Physics 26 (1992) Contents to Volume 26 Volume 26 No.1 September 1992 ACHIM KEMPF / Quantum Group-Symmetric Fock Spaces with Bargmann—Fock Representation F. ACERBI, G. MORCHIO, and F. STROCCHI / Algebraic Fermion Bosonization ANDREAS RUFFING, THOMAS DECK, and MARTIN SCHLICHENMAIER / String Branchings on Complex Tori and Algebraic Representations of Generalized Krichever—Novikov Algebras ZHANG-JU LIU and PING XU / On Quadratic Poisson Structures JOHN C. BAEZ / Link Invariants of Finite Type and Perturbation Theory P. TRUINI and V. S. VARADARAJAN / Universal Deformations of Reductive Lie Algebras TOMASZ BRZEZINSKI and SHAHN MAJID / A Class of Bicovariant Differen- tial Calculi on Hopf Algebras Volume 26 No.2 October 1992 YISONG YANG / An Equivalence Theorem for String Solutions of the Einstein Matter-Gauge Equations BERNHARD DRABANT, BRANISLAV JURCO, MICHAEL SCHLIEKER, WOLFGANG WEICH, and BRUNO ZUMINO / The Hopf Algebra of Vector Fields on Complex Quantum Groups C. BURDIK and R. TOMASEK / The Two-Parameter Deformation of the Super- group GL(1 | 1), its Differential Calculus and its Lie Algebra ANDRZEJ FRYDRYSZAK / The Fermionic Heisenberg Group and its Q-Represen- tations P. D. JARVIS and C. M. YUNG / The Schur Function Realization of Vertex Operators NALINI JOSHI, DAMIEN BURTONCLAY, and RODNEY G. HALBURD / Nonlinear Nonautonomous Discrete Dynamical Systems from a General Discrete Isomonodromy Problem VYJAYANTHI CHARI and ANDREW PRESSLEY / Fundamental Representa- tions of Quantum Groups at Roots of 1 D. V. VASSILEVICH / Abelian Gauge Theories on Homogeneous Spaces LETTERS IN MATHEMATICAL PHYSICS Volume 26 No.3 November 1992 NICOLAI RESHETIKHIN / Jackson-Type Integrals, Bethe Vectors, and Solutions to a Difference Analog of the Knizhnik—Zamolodchikov System NICOLAI RESHETIKHIN / The Knizhnik—Zamolodchikov System as a Deforma- tion of the Isomonodromy Problem ZHONG-QI MA and D. H. TCHRAKIAN / Wu-Yang Fields J. R. LINKS and M. D. GOULD / Two Variable Link Polynomials from Quantum Supergroups GU CHAOHAO (C. H. GU) / On the Interaction of Solitons for a Class of Integrable Systems in the Spacetime R” + ! A. I. MOLEV / Representations of Twisted Yangians YAO-ZHONG ZHANG / Affine Yang-Mills Theory and Affine Self-Dual Chern—Simons Solitons YAO-ZHONG ZHANG / Loop Group-Valued CS and WZNW Models, Integrable Systems, and Self-Dual Yang-Mills Theory Volume 26 No.4 December 1992 GEBHARD GRUBL and CHRISTIAN REITBERGER / Fermion Number Creation via Electromagnetism ARTHUR HEBECKER and WOLFGANG WEICH / Free Particle in g-Deformed Configuration Space CHRISTIAN SCHUBERT / The Finite Gauge Transformations in Closed String Field Theory METIN GURSES / Uniqueness of the Solutions of Sigma Models in Non-Rieman- nian Background KANJI ETORI / Solution of a Diffusion Equation of Smoke Molecules Due to Constant Point Source in Gravitational Field PHILIPPE BONNEAU / Cohomology and Associated Deformations for Not Necessarily Co-Associative Bialgebras HIDEKI OMORI, YOSHIAKI MAEDA, and AKIRA YOSHIOKA / Existence of a Closed Star Product R. FIGARI and A. TETA / Effective Potential and Fluctuations for a Boundary Value Problem on a Randomly Perforated Domain H. EWEN and O. OGIEVETSKY / Jordanian Solutions of Simplex Equations Addendum: Andrzej Frydryszak: The Fermionic Heisenburg Group and Its Q-Representations, Lett. Math. Phys. 26: 105-114, 1992.