29 citations · 142 across the 28 of their papers we have counts for
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math-ph2015★ 17 cited
Multidimensional Toda Lattices: Continuous and Discrete Time
Alexander I. Aptekarev, Maxim Derevyagin, Hiroshi Miki +1
In this paper we present multidimensional analogues of both the continuous- and discrete-time Toda lattices. The integrable systems that we consider here have two or more space coo…
math-ph2015★ 1 cited
Truncations of a class of pseudo-Hermitian operators
Maxim Derevyagin, Luca Perotti, Michal Wojtylak
We consider the class of non-Hermitian operators represented by infinite tridiagonal matrices, selfadjoint in an indefinite inner product space with one negative square. We approxi…