On rank filtrations of algebraic K-theory and Steinberg modules
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866913705248161792 |
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| author | Miller, Jeremy Patzt, Peter Wilson, Jennifer C. H. |
| author_facet | Miller, Jeremy Patzt, Peter Wilson, Jennifer C. H. |
| contents | Motivated by his work on the stable rank filtration of algebraic K-theory spectra, Rognes defined a simplicial complex called the common basis complex and conjectured that this complex is highly connected for local rings and Euclidean domains. We prove this conjecture in the case of fields. Our methods give a novel description of this common basis complex of a PID as an iterated bar construction on an equivariant monoid built out of Tits buildings. We also identify the Koszul dual of a certain equivariant ring assembled out of Steinberg modules. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2303_00245 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | On rank filtrations of algebraic K-theory and Steinberg modules Miller, Jeremy Patzt, Peter Wilson, Jennifer C. H. Algebraic Topology K-Theory and Homology 55U10 (Primary) 55N25, 16S37, 18F25 (Secondary) Motivated by his work on the stable rank filtration of algebraic K-theory spectra, Rognes defined a simplicial complex called the common basis complex and conjectured that this complex is highly connected for local rings and Euclidean domains. We prove this conjecture in the case of fields. Our methods give a novel description of this common basis complex of a PID as an iterated bar construction on an equivariant monoid built out of Tits buildings. We also identify the Koszul dual of a certain equivariant ring assembled out of Steinberg modules. |
| title | On rank filtrations of algebraic K-theory and Steinberg modules |
| topic | Algebraic Topology K-Theory and Homology 55U10 (Primary) 55N25, 16S37, 18F25 (Secondary) |
| url | https://arxiv.org/abs/2303.00245 |