Discrete Crum's theorems and lattice KdV-type equations
DOI10.1134/S0040577920020038zbMath1445.81020OpenAlexW3013188062MaRDI QIDQ2193679
Cheng Zhang, Lin Yu Peng, Da-jun Zhang
Publication date: 20 August 2020
Published in: Theoretical and Mathematical Physics (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1134/s0040577920020038
Darboux transformationdiscrete Schrödinger equationexact discretizationdiscrete Crum's theoremlattice KdV equations
Nonlinear eigenvalue problems and nonlinear spectral theory for PDEs (35P30) KdV equations (Korteweg-de Vries equations) (35Q53) General topics in linear spectral theory for PDEs (35P05) Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05) NLS equations (nonlinear Schrödinger equations) (35Q55) Discrete version of topics in analysis (39A12) Lie-Bäcklund and other transformations for infinite-dimensional Hamiltonian and Lagrangian systems (37K35) General theory of difference equations (39A05)
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