Mathematics – Quantum Algebra
Scientific paper
2002-03-07
Mathematics
Quantum Algebra
13 pages
Scientific paper
We provide an explicit description of symplectic leaves of a simply connected connected semisimple complex Lie group equipped with the standard Poisson-Lie structure. This sharpens previously known descriptions of the symplectic leaves as connected components of certain varieties. Our main tool is the machinery of twisted generalized minors. They also allow us to present several quasi-commuting coordinate systems on every symplectic leaf. As a consequence, we construct new completely integrable systems on some special symplectic leaves.
Kogan Mikhail
Zelevinsky Andrei
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