6 citations · 6 across the 2 of their papers we have counts for
2 papers
math.FA2023
The Cauchy problem for the (2+1) integrable nonlinear Schrödinger equation
L. P. Nizhnik
We study the Cauchy problem for the (2+1) integrable nonlinear Schrödinger equation by the inverse scattering transform (IST) method. This Cauchy problem with given initial data an…
math.FA2018★ 6 cited
Phillips symmetric operators and their extensions
S. Kuzhel, L. Nizhnik
Let be a symmetric operator with equal defect numbers and let be a set of unitary operators in a Hilbert space . The operator is called $\mathf…