Signature maps from positive cones on algebras with involution
Fuente:
arXiv
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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866913863654440960 |
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| author | Astier, Vincent Unger, Thomas |
| author_facet | Astier, Vincent Unger, Thomas |
| contents | We introduced positive cones in an earlier paper as a notion of ordering on central simple algebras with involution that corresponds to signatures of hermitian forms. In the current paper we describe signatures of hermitian forms directly out of positive cones, and also use this approach to rectify a problem that affected some results in the previously mentioned paper. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_22178 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Signature maps from positive cones on algebras with involution Astier, Vincent Unger, Thomas Rings and Algebras 13J30, 16W10, 06F25, 16K20, 11E39 We introduced positive cones in an earlier paper as a notion of ordering on central simple algebras with involution that corresponds to signatures of hermitian forms. In the current paper we describe signatures of hermitian forms directly out of positive cones, and also use this approach to rectify a problem that affected some results in the previously mentioned paper. |
| title | Signature maps from positive cones on algebras with involution |
| topic | Rings and Algebras 13J30, 16W10, 06F25, 16K20, 11E39 |
| url | https://arxiv.org/abs/2505.22178 |