2012

Date: July 6 (Fri) 16:30 - 17:30

Place: B707, Fac. Sci., Hiroshima University

Speaker: Takanao NEGISHI (Tohoku University)

Title: On the periodic decomposition problem of integral functions

Abstract: (PDF)

Date: July 27 (Fri) 16:30 - 17:30

Place: B707, Fac. Sci., Hiroshima University

Speaker: Takao SUZUKI (Kinki University)

Title: Drinfeld-Sokolov hierarchy and higher order Painlevé equations

Abstract:

Drinfeld-Sokolov hierarchy is a generalization of KP hierarchy to Affine Lie algebra, which yields various Painlevé equations by use of operations called similarity reductions. In this talk, we consider DS hierarchy in view of Lie algebra of type A,B,E systematically, presenting a list of ordiary differential equations as higher order version of Painlevé equations. On the other hand, it is known (by T. Oshima, Y. Haraoka, H. Sakai and T. Tsuda) that some of higher order Painlevé equations obtained as above are also obtained by isomonodromic deformations of linear differential equations of Fuchsian type. In this talk, the speaker also explains known relations between DS hierarchy or higher order Painlevé equations and isomonodromic deformations.

Date: November 16 (Fri) 16:30 - 17:30

Place: B707, Fac. Sci., Hiroshima University

Speaker: Shingo KAMIMOTO (Kyoto University)

Title: Exact WKB analysis of singularly perturbed linear ordinary differential equations at irregular singular points

Abstract: (PDF)

Special Seminar: Asymptotic Analysis and Related Topics

Date: March 5 (Tue) - 7 (Thu)

Place: B707, Fac. Sci., Hiroshima University

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