Monday, June 24, 2013

1306.5168 (A. Zabrodin)

Symmetric solutions of the dispersionless Toda hierarchy and associated
conformal dynamics

A. Zabrodin
Under certain reality conditions, a general solution to the dispersionless Toda lattice hierarchy describes deformations of simply-connected plane domains with a smooth boundary. The solution depends on an arbitrary (real positive) function of two variables which plays the role of a density or a conformal metric in the plane. We consider in detail the important class of symmetric solutions characterized by the density functions that depend only on the distance from the origin and that are positive and regular in an annulus $r_0< |z|View original:

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