This article is cited in 12 papers

Brief Communications

Similarity of Some $J$-Nonnegative Operators to Self-Adjoint Operators

A. S. Kostenko

Donetsk National University

Keywords: linear operator, self-adjoint operators, definitizable operator, Krein space, Hilbert space $L^2$ similarity criterion.

Received: 02.01.2006

DOI: 10.4213/mzm2789

 English version: Mathematical Notes, 2006, 80:1, 131–135

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