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Banach algebra techniques for spectral multiplicity

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Abstract

In this paper, we use Banach algebra techniques to prove addition formulas for spectral multiplicities of direct sums of operator families.

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Authors and Affiliations

  1. Isparta Vocational School, Suleyman Demirel University, 32260, Isparta, Turkey

    M. T. Karaev

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  1. M. T. Karaev
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Correspondence to M. T. Karaev.

Additional information

This work has been supported by the Scientific and Technological Research Council of Turkey (TUBITAK) with project 107T649.

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Karaev, M.T. Banach algebra techniques for spectral multiplicity. Arch. Math. 93, 147–152 (2009). https://doi.org/10.1007/s00013-009-0027-2

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  • DOI: https://doi.org/10.1007/s00013-009-0027-2

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