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On simultaneous similarity of families of commuting operators.
- Source :
- Proceedings of the American Mathematical Society; Jan2024, Vol. 152 Issue 1, p129-136, 8p
- Publication Year :
- 2024
-
Abstract
- Characterization of simultaneous similarity for commuting m- tuples of operators is an open problem even in finite-dimensional spaces; known as "A wild problem in linear algebra". In this paper we offer a criterion for simultaneous similarity of m-tuples of k-cyclic commuting operators on an arbitrary Banach space. Moreover, we obtain an additional equivalence condition in the case of finite dimensional Banach spaces, which extends the result found by Shekhtman [Math. Stat. 1 (2013), pp. 157–161] for pairs of cyclic commuting matrices. We also present two applications of our results, one in the case of general multiplication operators on Banach spaces of analytic function, and one for m-tuples of commuting square matrices. [ABSTRACT FROM AUTHOR]
- Subjects :
- BANACH spaces
LINEAR algebra
ANALYTIC spaces
FUNCTION spaces
ANALYTIC functions
Subjects
Details
- Language :
- English
- ISSN :
- 00029939
- Volume :
- 152
- Issue :
- 1
- Database :
- Complementary Index
- Journal :
- Proceedings of the American Mathematical Society
- Publication Type :
- Academic Journal
- Accession number :
- 173310839
- Full Text :
- https://doi.org/10.1090/proc/16594