Connection Problem for Painlevé Tau Functions
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Date
2019-08
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American English
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Ph.D.
Degree Year
2019
Department
Mathematical Sciences
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Purdue University
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Abstract
We derive the differential identities for isomonodromic tau functions, describing their monodromy dependence. For Painlev´e equations we obtain them from the relation of tau function to classical action which is a consequence of quasihomogeneity of corresponding Hamiltonians. We use these identities to solve the connection problem for generic solution of Painlev´e-III(D8) equation, and homogeneous Painlev´e-II equation. We formulate conjectures on Hamiltonian and symplectic structure of general isomonodromic deformations we obtained during our studies and check them for Painlev´e equations.
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Indiana University-Purdue University Indianapolis (IUPUI)
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