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| Autore principale: | |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2401.10514 |
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| _version_ | 1866909464819400704 |
|---|---|
| author | Ishizuka, Kosuke |
| author_facet | Ishizuka, Kosuke |
| contents | In this paper, we will prove a spectral theorem for self-adjoint compactoid operators. Also, we will study the condition on which the coefficient field must be imposed. In order to get the theorems, we will use the Fredholm theory for compactoid operators. Moreover, the property of maximal complete field is important for our study. These facts will allow us to find that the spectral theorem depends only on the residue class field, and is independent of the valuation group of the coefficient field. As a result, we can settle the problem of the spectral theorem in the case where the residue class field is formally real. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_10514 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | A spectral theorem for a non-Archimedean valued field whose residue field is formally real Ishizuka, Kosuke Functional Analysis 46S10 (Primary), 12J25 (Secondary) In this paper, we will prove a spectral theorem for self-adjoint compactoid operators. Also, we will study the condition on which the coefficient field must be imposed. In order to get the theorems, we will use the Fredholm theory for compactoid operators. Moreover, the property of maximal complete field is important for our study. These facts will allow us to find that the spectral theorem depends only on the residue class field, and is independent of the valuation group of the coefficient field. As a result, we can settle the problem of the spectral theorem in the case where the residue class field is formally real. |
| title | A spectral theorem for a non-Archimedean valued field whose residue field is formally real |
| topic | Functional Analysis 46S10 (Primary), 12J25 (Secondary) |
| url | https://arxiv.org/abs/2401.10514 |