Some results on the $π$-weight of countable Fréchet-Urysohn spaces
Fuente:
arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2025
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| _version_ | 1866908704293519360 |
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| author | Dow, Alan |
| author_facet | Dow, Alan |
| contents | The $π$-weight spectrum for countable regular Fréchet-Urysohn spaces is the set of uncountable cardinals that are equal to the $π$-weight for some such space. We determine this $π$-weight spectrum in the standard Miller rational perfect set model and in the Random real model. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_09614 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Some results on the $π$-weight of countable Fréchet-Urysohn spaces Dow, Alan Logic General Topology 03E50, 03E35, 54A35, 54D55 The $π$-weight spectrum for countable regular Fréchet-Urysohn spaces is the set of uncountable cardinals that are equal to the $π$-weight for some such space. We determine this $π$-weight spectrum in the standard Miller rational perfect set model and in the Random real model. |
| title | Some results on the $π$-weight of countable Fréchet-Urysohn spaces |
| topic | Logic General Topology 03E50, 03E35, 54A35, 54D55 |
| url | https://arxiv.org/abs/2512.09614 |