SMS scnews item created by Martin Wechselberger at Fri 5 Sep 2008 0957
Type: Seminar
Distribution: World
Expiry: 10 Sep 2008
Calendar1: 10 Sep 2008 1405-1455
CalLoc1: Eastern Avenue Lecture Theatre

Applied Maths Seminar: Kawai -- On the Toulouse Project - how much we have understood the structure of solutions of higher order Painleve equations

The Toulouse Project is a collection of problems/proposals whose solutions should help
us to understand the structure of solutions of higher order Painlev\’e equations
$(P_J)_m$ ($J=I,II,IV$) introduced by P.R.  Gordoa, N.  Joshi and A.  Pickering (Publ.
RIMS, 37(2001), 327-347) and S.  Shimomura (Ann.  Scuola Norm.  Sup.  Pisa, 29(2000),
1-17).  Its original form consists of seven steps, and we are in the middle stage of the
fifth step, that is, we have clarified the structure of instanton-type solutions of
$(P_J)_m$ near a turning point of the first kind, whose definition will be given in the

In this talk we discuss WKB theoretic aspects of our theory, emphasizing the importance
of WKB analysis of the underlying Lax pair, the simultaneous equations whose
compatibility condition coincides with $(P_J)_m$.  We also plan to discuss what points
are peculiar to higher order Painlev\’e equations, i.e., not observed in the second
order ones. 

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