Connecting the space of marked groups and the space of group operations
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866917028531535872 |
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| author | Kátay, Tamás |
| author_facet | Kátay, Tamás |
| contents | We establish a connection between two well-studied spaces of countable groups: the space of group operations and the space of marked groups. This connection shows that the two spaces are equivalent in terms of generic properties in the sense of Baire category, which allows us to translate several results from the former setting to the latter. As an application, we give new, shorter proofs of two theorems that concern the generic behavior of compact metrizable abelian groups. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_14638 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Connecting the space of marked groups and the space of group operations Kátay, Tamás Logic Group Theory 20F65, 03E15 (Primary) We establish a connection between two well-studied spaces of countable groups: the space of group operations and the space of marked groups. This connection shows that the two spaces are equivalent in terms of generic properties in the sense of Baire category, which allows us to translate several results from the former setting to the latter. As an application, we give new, shorter proofs of two theorems that concern the generic behavior of compact metrizable abelian groups. |
| title | Connecting the space of marked groups and the space of group operations |
| topic | Logic Group Theory 20F65, 03E15 (Primary) |
| url | https://arxiv.org/abs/2503.14638 |