The sigma form of the second Painlevé hierarchy
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Colleges, School and Institutes
- National Research University Higher School of Economics
In this paper we study the so-called sigma form of the second Painlevé hierarchy. To obtain this form, we use some properties of the Hamiltonian structure of the second Painlevé hierarchy and of the Lenard operator.
Funding Information: Acknowledgments. The authors would like to express their gratitude to Volodya Rubtsov for introducing them to each other. The authors are also grateful to Vladimir Poberezhnyi, who initiated I.B. to the Painlev? equations theory and constantly supported her during her scientific work. The research of I.B. is a part of her PhD program studies at the Higher School of Economics (HSE University). I.B. would like to thank to Faculty of Mathematics for giving her such opportunity. The research of M.M. is supported by the EPSRC Research Grant EP/P021913/1. The research of I.B. was partially supported by the RFBR Grant 18-01-00461 A.
|Number of pages||8|
|Journal||Journal of Geometry and Physics|
|Early online date||7 May 2021|
|Publication status||E-pub ahead of print - 7 May 2021|