Hermitian matrices of roots of unity and their characteristic polynomials
We investigate spectral conditions on Hermitian matrices of roots of unity. Our main results are conjecturally sharp upper bounds on the number of residue classes of the characteristic polynomial of such matrices modulo ideals generated by powers of (1−ζ), where ζ is a root of unity. We also prove a...
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| Main Authors: | , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
2023
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| 在線閱讀: | https://hdl.handle.net/10356/170926 |
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