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On canonical parametrization of phase spaces of Isomonodromic Deformation Equations

  • Mikhail V BabichEmail author
Conference paper
Part of the Trends in Mathematics book series (TM)

Abstract

The space of the Fuchsian systems is the algebraic Poisson manifold, and the equations of the Isomonodromic Deformations are the Hamiltonian equations. The internal symmetry of the problem makes it possible to reduce the dimension of the problem using the symplectic-quotient theory. The phase-space is constructed from the orbits of (co)adjoint representation of the general linear group. The presented parametrisation of the quotientspace is based on the construction of the flag coordinates on the orbits. The simplest non-trivial case that is Painlevé VI case is considered as an example.

Mathematics Subject Classification (2000)

Primary 34-02 34M55 Secondary 33E17 34A26 34A30 34M35 37J05 

Keywords

Isomonodromic deformations Fuchsian equations flag coordinates momentum map Painlevé VI equation 

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.St. Petersburg Department of Steklov Mathematical Institute RASSt. PetersburgRussia
  2. 2.Saint-Petersburg State University Universitetskaya nab. 7/9 Saint-PetersburgSt. PetersburgRussia

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