Vol. 7, No. 2, 2014

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Miura maps and inverse scattering for the Novikov–Veselov equation

Peter A. Perry

Vol. 7 (2014), No. 2, 311–343

We use the inverse scattering method to solve the zero-energy Novikov–Veselov (NV) equation for initial data of conductivity type, solving a problem posed by Lassas, Mueller, Siltanen, and Stahel. We exploit Bogdanov’s Miura-type map which transforms solutions of the modified Novikov–Veselov (mNV) equation into solutions of the NV equation. We show that the Cauchy data of conductivity type considered by Lassas, Mueller, Siltanen, and Stahel lie in the range of Bogdanov’s Miura-type map, so that it suffices to study the mNV equation. We solve the mNV equation using the scattering transform associated to the defocussing Davey–Stewartson II equation.

Novikov–Veselov equation, Miura map, Davey–Stewartson equation
Mathematical Subject Classification 2010
Primary: 37K15
Secondary: 35Q53, 47A40, 78A46
Received: 9 November 2012
Revised: 18 December 2013
Accepted: 10 February 2014
Published: 30 May 2014
Peter A. Perry
Mathematics Department
University of Kentucky
Lexington, KY 40506-0027
United States