2 papers
math.FA2026
Functions of pairs of commuting self-adjoint operators under relatively bounded perturbations
A. B. Aleksandrov, V. V. Peller
We study the behaviour of functions of pairs of commuting self-adjoint operators under perturbations by relatively bounded operators. We obtain analogs of our earlier results for f…
math.FA2024
Haagerup tensor products and Schur multipliers
Aleksei B. Aleksandrov, Vladimir V. Peller
In this paper we compare various classes of Schur multipliers: classical matrix Schur multipliers, discrete Schur multipliers, Schur multipliers with respect to measures and Schur…