Representations of U(2∞) and the Value of the Fine Structure Constant
William H. Klink
SIGMA, Vol. 1 (2005), Paper 028, 8 pages [ abs pdf ps ]
Integrable Anisotropic Evolution Equations on a Sphere
Anatoly G. Meshkov and Maxim Ju. Balakhnev
SIGMA, Vol. 1 (2005), Paper 027, 11 pages [ abs pdf ps ]
Conservation Laws of Discrete Korteweg-de Vries Equation
Olexandr G. Rasin and Peter E. Hydon
SIGMA, Vol. 1 (2005), Paper 026, 6 pages [ abs pdf ps ]
Compact Simple Lie Groups and Their C-, S-, and E-Transforms
Jiri Patera
SIGMA, Vol. 1 (2005), Paper 025, 6 pages [ abs pdf ps ]
Symmetry Properties of Autonomous Integrating Factors
Sibusiso Moyo and P.G.L. Leach
SIGMA, Vol. 1 (2005), Paper 024, 12 pages [ abs pdf ps ]
Characteristic Algebras of Fully Discrete Hyperbolic Type Equations
Ismagil T. Habibullin
SIGMA, Vol. 1 (2005), Paper 023, 9 pages [ abs pdf ps ]
Noether Symmetries and Critical Exponents
Yuri Bozhkov
SIGMA, Vol. 1 (2005), Paper 022, 12 pages [ abs pdf ps ]
Pachner Move 3 –> 3 and Affine Volume-Preserving Geometry in R3
Igor G. Korepanov
SIGMA, Vol. 1 (2005), Paper 021, 7 pages [ abs pdf ps ]
Exact Propagators for Soliton Potentials
Andrey M. Pupasov and Boris F. Samsonov
SIGMA, Vol. 1 (2005), Paper 020, 7 pages [ abs pdf ps ]
Transverse Evolution Operator for the Gross-Pitaevskii Equation in Semiclassical Approximation
Alexey Borisov, Alexander Shapovalov and Andrey Trifonov
SIGMA, Vol. 1 (2005), Paper 019, 17 pages [ abs pdf ps ]
Ermakov's Superintegrable Toy and Nonlocal Symmetries
P.G.L. Leach, A. Karasu (Kalkanli), M.C. Nucci and K. Andriopoulos
SIGMA, Vol. 1 (2005), Paper 018, 15 pages [ abs pdf ps ]
Subgroups of the Group of Generalized Lorentz Transformations and Their Geometric Invariants
George Bogoslovsky
SIGMA, Vol. 1 (2005), Paper 017, 9 pages [ abs pdf ps ]
Representations of the Quantum Algebra suq(1,1)
and Discrete q-Ultraspherical Polynomials
Valentyna Groza
SIGMA, Vol. 1 (2005), Paper 016, 7 pages [ abs pdf ps ]
Second Order Superintegrable Systems in Three Dimensions
Willard Miller
SIGMA, Vol. 1 (2005), Paper 015, 17 pages [ abs pdf ps ]
On Chaotic Dynamics in Rational Polygonal Billiards
Valery Kokshenev
SIGMA, Vol. 1 (2005), Paper 014, 9 pages [ abs pdf ps ]
Simple Derivation of Quasinormal Modes for Arbitrary Spins
Iosif Khriplovich and Gennady Ruban
SIGMA, Vol. 1 (2005), Paper 013, 6 pages [ abs pdf ps ]
Radiation Reaction, Renormalization and Poincaré Symmetry
Yurij Yaremko
SIGMA, Vol. 1 (2005), Paper 012, 10 pages [ abs pdf ps ]
Connections Between Symmetries and Conservation Laws
George Bluman
SIGMA, Vol. 1 (2005), Paper 011, 16 pages [ abs pdf ps ]
A Gentle (without Chopping) Approach to the Full Kostant-Toda Lattice
Pantelis A. Damianou and Franco Magri
SIGMA, Vol. 1 (2005), Paper 010, 12 pages [ abs pdf ps ]
Group Classification of the General Evolution Equation: Local and Quasilocal Symmetries
Renat Zhdanov and Victor Lahno
SIGMA, Vol. 1 (2005), Paper 009, 7 pages [ abs pdf ps ]
Spectra of Observables in the q-Oscillator and q-Analogue of the Fourier Transform
Anatoliy U. Klimyk
SIGMA, Vol. 1 (2005), Paper 008, 17 pages [ abs pdf ps ]
Exact Solutions and Symmetry Operators for the Nonlocal Gross-Pitaevskii Equation with Quadratic Potential
Alexander Shapovalov, Andrey Trifonov and Alexander Lisok
SIGMA, Vol. 1 (2005), Paper 007, 14 pages [ abs pdf ps ]
Structure of Symmetry Groups via Cartan's Method: Survey of Four Approaches
Oleg I. Morozov
SIGMA, Vol. 1 (2005), Paper 006, 14 pages [ abs pdf ps ]
Andrew Lenard: A Mystery Unraveled
Jeffery Praught and Roman G. Smirnov
SIGMA, Vol. 1 (2005), Paper 005, 7 pages [ abs pdf ps ]
A System of n = 3 Coupled Oscillators with Magnetic Terms:
Symmetries and Integrals of Motion
Manuel F. Rañada
SIGMA, Vol. 1 (2005), Paper 004, 7 pages [ abs pdf ps ]
Transient Phenomena in Quantum Bound
States Subjected to a Sudden Perturbation
Marcos Moshinsky and Emerson Sadurní
SIGMA, Vol. 1 (2005), Paper 003, 9 pages [ abs pdf ps ]
Multi-Instantons in Higher Dimensions
and Superstring Solitons
Eugene K. Loginov
SIGMA, Vol. 1 (2005), Paper 002, 4 pages [ abs pdf ps ]
The Differential Form Method for Finding Symmetries
B. Kent Harrison
SIGMA, Vol. 1 (2005), Paper 001, 12 pages [ abs pdf ps ]
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