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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2505.02960 |
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| _version_ | 1866915276094701568 |
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| author | Bilich, Boris |
| author_facet | Bilich, Boris |
| contents | In their paper on multivariable dynamics, Davidson and Katsoulis conjectured that two multivariable dynamical systems have isomorphic tensor algebras if and only if they are piecewise conjugate. We disprove the conjecture by constructing two piecewise conjugate multivariable dynamical systems with four maps on a two-dimensional space, whose tensor algebras are not isomorphic. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_02960 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | An obstruction to isomorphism of tensor algebras of multivariable dynamical systems Bilich, Boris Operator Algebras 47L30, 46H20, 46L55, 37B20 In their paper on multivariable dynamics, Davidson and Katsoulis conjectured that two multivariable dynamical systems have isomorphic tensor algebras if and only if they are piecewise conjugate. We disprove the conjecture by constructing two piecewise conjugate multivariable dynamical systems with four maps on a two-dimensional space, whose tensor algebras are not isomorphic. |
| title | An obstruction to isomorphism of tensor algebras of multivariable dynamical systems |
| topic | Operator Algebras 47L30, 46H20, 46L55, 37B20 |
| url | https://arxiv.org/abs/2505.02960 |