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pro vyhledávání: '"Widmer, Yannick"'
Autor:
Kappeler, Thomas, Widmer, Yannick
The spectral curve associated with the sinh-Gordon equation on the torus is defined interms of the spectrum of the Lax operator appearing in the Lax pair formulation of the equation. If thespectrum is simple, it is an open Riemann surface of infinite
Externí odkaz:
http://arxiv.org/abs/2003.09194
Autor:
Molnar, Jan-Cornelius, Widmer, Yannick
The purpose of this paper is to express the entire hierarchy of mKdV vector fields as restrictions of vector fields in the NLS hierarchy. The result is proved using the normal form theory of the two equations.
Comment: 20 pages
Comment: 20 pages
Externí odkaz:
http://arxiv.org/abs/1601.07580
Autor:
Widmer, Yannick
Among other results we show that near the equilibrium point, the Hamiltonian of the sine-Gordon (SG) equation on the circle can be viewed as an element in the Poisson algebra of the modified Korteweg-de Vries (mKdV) equation and hence by well establi
Externí odkaz:
http://arxiv.org/abs/1508.06123
Autor:
Kappeler, Thomas1 (AUTHOR) thomas.kappeler@math.uzh.ch, Widmer, Yannick1 (AUTHOR) yannick.widmer@math.uzh.ch
Publikováno v:
Journal of Geometric Mechanics. Mar2021, Vol. 13 Issue 1, p73-143. 71p.
Akademický článek
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