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Trace formulas for perturbations of operators with Hilbert-Schmidt resolvents

Sedai B. P.

Opuscula Mathematica

2018

Vol. 38, no. 2

253--260

Trace formulas for self-adjoint perturbations V of self-adjoint operators H such that V is in Schatten class were obtained in the works of L.S. Koplienko, M.G. Krein, and the joint paper of D. Potapov, A. Skripka and F. Sukochev. In this article, we obtain an analogous trace formula under the assumptions that the perturbation V is bounded and the resolvent of H belongs to Hilbert-Schmidt class.