One-Parameter Inhomogeneous Differential Realizations and Boson–Fermion Realizations of the gl(2¦1) Superalgebra Yong-Qing Chen OriginalPaper Pages: 1113 - 1119
Precanonical Quantum Gravity: Quantization Without the Space–Time Decomposition Igor V. Kanatchikov OriginalPaper Pages: 1121 - 1149
Proton Transport in Hydrogen-Bonded Chains in the Presence of an External Field Yuan-Fa Cheng OriginalPaper Pages: 1173 - 1181
Autonomous Forms and Exact Solutions of Equations of Motion of Polytropic Gas E. M. E. ZayedHassan A. Zedan OriginalPaper Pages: 1183 - 1196
Poincaré-Cartan Integral Variants and Invariants of Nonholonomic Constrained Systems Y. X. GuoM. ShangF. X. Mei OriginalPaper Pages: 1197 - 1205
Erratum: Quantum Group Symmetry of the Hubbard Model E. AhmedA. S. Hegazi OriginalPaper Pages: 1207 - 1207