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Preprints of the Keldysh Institute of Applied Mathematics, 2011, 018, 16 pp. (Mi ipmp124)  

Expansions of solutions to the fifth Painlevé equation near its nonsingular point

A. D. Bruno, A. V. Parusnikova
References:
Abstract: The article is devoted to the study of the fifth Painlevé equation which has 4 complex parameters. By methods of Power Geometry we look for asymptotic expansions of solutions to the equation near its nonsingular point $z=z_0$, $z_0 \ne 0$, $z_0 \ne \infty$ for all values of parameters of the equation. We have proved that there exist exactly 10 families of expansions. These families are power series in the local variable $z - z_0$. One of them is new: it has an arbitrary coefficient of the $(z - z_0)^4$. One of these families is two-parameter, other are one-parameter. All the expansions converge near the point $z=z_0$.
Document Type: Preprint
Language: Russian
Citation: A. D. Bruno, A. V. Parusnikova, “Expansions of solutions to the fifth Painlevé equation near its nonsingular point”, Keldysh Institute preprints, 2011, 018, 16 pp.
Citation in format AMSBIB
\Bibitem{BruPar11}
\by A.~D.~Bruno, A.~V.~Parusnikova
\paper Expansions of solutions to the fifth Painlev\'e equation near its nonsingular point
\jour Keldysh Institute preprints
\yr 2011
\papernumber 018
\totalpages 16
\mathnet{http://mi.mathnet.ru/ipmp124}
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  • https://www.mathnet.ru/eng/ipmp/y2011/p18
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    Препринты Института прикладной математики им. М. В. Келдыша РАН
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