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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2501.03797 |
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| _version_ | 1866908910898642944 |
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| author | Epstein, Neil G., Rebecca R. Vassilev, Janet |
| author_facet | Epstein, Neil G., Rebecca R. Vassilev, Janet |
| contents | Closure operations such as tight and integral closure and test ideals have appeared frequently in the study of commutative algebra. This articles serves as a survey of the authors' prior results connecting closure operations, test ideals, and interior operations via the more general structure of pair operations. Specifically, we describe a duality between closure and interior operations generalizing the duality between tight closure and its test ideal, provide methods for creating pair operations that are compatible with taking quotient modules or submodules, and describe a generalization of core and its dual. Throughout, we discuss how these ideas connect to common constructions in commutative algebra. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_03797 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | A common framework for test ideals, closure operations, and their duals Epstein, Neil G., Rebecca R. Vassilev, Janet Commutative Algebra Closure operations such as tight and integral closure and test ideals have appeared frequently in the study of commutative algebra. This articles serves as a survey of the authors' prior results connecting closure operations, test ideals, and interior operations via the more general structure of pair operations. Specifically, we describe a duality between closure and interior operations generalizing the duality between tight closure and its test ideal, provide methods for creating pair operations that are compatible with taking quotient modules or submodules, and describe a generalization of core and its dual. Throughout, we discuss how these ideas connect to common constructions in commutative algebra. |
| title | A common framework for test ideals, closure operations, and their duals |
| topic | Commutative Algebra |
| url | https://arxiv.org/abs/2501.03797 |