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