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Article Dans Une Revue J.Phys.A Année : 2017

On the connection problem for Painlevé I

Résumé

We study the dependence of the tau function of Painlev\'e I equation on the generalized monodromy of the associated linear problem. In particular, we compute connection constants relating the tau function asymptotics on five canonical rays at infinity. The result is expressed in terms of dilogarithms of cluster type coordinates on the space of Stokes data.

Dates et versions

hal-01555199 , version 1 (03-07-2017)

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O Lisovyy, J Roussillon. On the connection problem for Painlevé I. J.Phys.A, 2017, 50 (25), pp.255202. ⟨10.1088/1751-8121/aa6e12⟩. ⟨hal-01555199⟩
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