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math-ph2015
On the s-meromorphic OD operators
P. G. Grinevich, S. P. Novikov
We consider linear spectral-meromorphic (s-meromorphic) OD operators at the real axis such that all local solutions to the eigenvalue problems are meromorphic for all . By defin…
math-ph2003★ 1 cited
Topological Phenomena in the Real Periodic Sine-Gordon Theory
P. G. Grinevich, S. P. Novikov
The set of real finite-gap Sine-Gordon solutions corresponding to a fixed spectral curve consists of several connected components. A simple explicit description of these components…