Scope

• Geometrical methods in mathematical physics
• Lie theory and differential equations
• Classical and quantum integrable systems
• Algebraic methods in dynamical systems and chaos
• Exactly and quasi-exactly solvable models
• Lie groups and algebras, representation theory
• Orthogonal polynomials and special functions
• Integrable probability and stochastic processes
• Quantum algebras, quantum groups and their representations
• Symplectic, Poisson and noncommutative geometry
• Algebraic geometry and its applications
• Quantum field theories and string/gauge theories
• Statistical physics and condensed matter physics
• Quantum gravity and cosmology

SIGMA is a refereed purely electronic arXiv overlay journal with a lot of mirrors around the world. In spite of being open access, the journal does not charge authors for publication. SIGMA is a non-profit, volunteer-run project operated by the following people (all from the Institute of Mathematics of NAS of Ukraine):

• Editor: Anatoly Nikitin
• Associate Editors: Vyacheslav Boyko, Roman Popovych, Iryna Yehorchenko, Alexander Zhalij
• Executive Assistant: Vira Pobyzh
• Copy-editors: Vira Pobyzh, Galyna Popovych