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JOURNALS // Matematicheskie Zametki // Archive
Mat. Zametki, 1971 Volume 9, Issue 3, Pages 303–310 (Mi mzm9670)
This article is cited in 2 papers

Spectra of certain classes of operators in Hilbert space

T. Ya. Azizov

Voronezh State University

Abstract: The structure of certain classes of operators of the form $AB$, where $A$ and $B$ are self-adjoint, is investigated, and the spectra of certain $J$-semiunitary operators are described.

UDC: 513.88

Received: 01.07.1969


 English version: Mathematical Notes, 1971, 9:3, 176–180

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