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Brief communications

Banach Algebra Technique for Proving an Addition Formula for Spectral Multiplicities of Sets of Operators

M. T. Karaev

Suleyman Demirel University

Abstract: We use a Banach algebra technique to compute the spectral multiplicity of some sets of commuting operators.

Keywords: Banach algebra, representation, spectral multiplicity.

UDC: 517.983.23

Received: 02.03.2005

DOI: 10.4213/faa2855

 English version: Functional Analysis and Its Applications, 2007, 41:1, 76–78

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