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Title: Painlevé monodromy manifolds, decorated character varieties and cluster algebras
Authors: Chekhov, Leonid
Mazzocco, Marta
Rubtsov, Vladimir
Issue Date: 2017
Publisher: © Oxford University Press
Citation: CHEKHOV, L., MAZZOCCO, M. and RUBTSOV, V., 2017. Painlevé monodromy manifolds, decorated character varieties and cluster algebras. International Mathematics Research Notices, forthcoming.
Abstract: In this paper we introduce the concept of decorated character variety for the Riemann surfaces arising in the theory of the Painleve differential equations. Since all Painleve differential equations (apart from the sixth one) exhibit Stokes phenomenon, we show that it is natural to consider Riemann spheres with holes and bordered cusps on such holes. The decorated character variety is considered here as complexification of the bordered cusped Teichmuller space introduced in arXiv:1509.07044. We show that the decorated character variety of a Riemann sphere with s holes and n 1 bordered cusps is a Poisson manifold of dimension 3s + 2n − 6 and we explicitly compute the Poisson brackets which are naturally of cluster type. We also show how to obtain the confluence procedure of the Painleve differential equations in geometric terms.
Description: This paper is closed access till 12 months after online publication.
Sponsor: The work of L.O.Ch. was partially supported by the center of excellence grant “Centre for Quantum Geometry of Moduli Spaces” from the Danish National Research Foundation (DNRF95) and by the Russian Foundation for Basic Research (Grant Nos. 14-01-00860-a and 13-01-12405-ofi-m2). This research was supported by the EPSRC Research Grant EP/J007234/1, by the Hausdorff Institute, by ANR “DIADEMS”, by RFBR-12-01-00525-a, by RFBR-15-01-05990, MPIM (Bonn) and SISSA (Trieste).
Version: Accepted for publication
DOI: 10.1093/imrn/rnw219
URI: https://dspace.lboro.ac.uk/2134/23513
Publisher Link: http://dx.doi.org/10.1093/imrn/rnw219
ISSN: 1073-7928
Appears in Collections:Closed Access (Maths)

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