On large submodules in Hilbert C*-modules
Fuente:
arXiv
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866913434879131648 |
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| author | Manuilov, V. |
| author_facet | Manuilov, V. |
| contents | We consider several natural ways of expressing the idea that a one-sided ideal in a C*-algebra (or a submodule in a Hilbert C*-module) is large, and show that they differ, unlike the case of two-sided ideals in C*-algebras. We then show how these different notions, for ideals and for submodules, are related. We also study some permanence properties for these notions. Finally, we use essential right ideals to extend the inner product on a Hilbert C*-module to a part of the dual module. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_07288 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | On large submodules in Hilbert C*-modules Manuilov, V. Operator Algebras We consider several natural ways of expressing the idea that a one-sided ideal in a C*-algebra (or a submodule in a Hilbert C*-module) is large, and show that they differ, unlike the case of two-sided ideals in C*-algebras. We then show how these different notions, for ideals and for submodules, are related. We also study some permanence properties for these notions. Finally, we use essential right ideals to extend the inner product on a Hilbert C*-module to a part of the dual module. |
| title | On large submodules in Hilbert C*-modules |
| topic | Operator Algebras |
| url | https://arxiv.org/abs/2402.07288 |