Hopfian Groups are Complete co-Analytic
Fuente:
arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2023
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| _version_ | 1866929218683666432 |
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| author | Pinsky, Brian |
| author_facet | Pinsky, Brian |
| contents | We show the set of Hopfian countable groups is a complete co-analytic subset of the standard Borel space of countable groups, resolving a question posed by Simon Thomas (https://doi.org/10.1007/s00153-017-0597-9). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2303_00839 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Hopfian Groups are Complete co-Analytic Pinsky, Brian Logic 03E15 We show the set of Hopfian countable groups is a complete co-analytic subset of the standard Borel space of countable groups, resolving a question posed by Simon Thomas (https://doi.org/10.1007/s00153-017-0597-9). |
| title | Hopfian Groups are Complete co-Analytic |
| topic | Logic 03E15 |
| url | https://arxiv.org/abs/2303.00839 |