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20182025
most citedOn the relationship between Weyl functions of Jacobi matrices and response vectors for special dynamical systems with discrete time

6 citations · 6 across the 2 of their papers we have counts for

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math.FA2025

On invariant subspaces of a linear operator

M. I. Belishev, S. A. Simonov

We discuss the concept of invariant subspaces for unbounded linear operators, point out some shortcomings of known definitions, and propose our own.