On some modifications of the Niemytzki plane
Fuente:
arXiv
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| Main Author: | |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866916772892901376 |
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| author | Bielas, Wojciech |
| author_facet | Bielas, Wojciech |
| contents | We present a criterion that compares modifications of the Niemytzki plane. It follows that if usual tangent discs of the Niemytzki plane are replaced by triangles with bounded angles, then the resulting space is not homeomorphic to the former. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_01707 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On some modifications of the Niemytzki plane Bielas, Wojciech General Topology Primary 54C30, 54G20, Secondary 54D70, 26A24 We present a criterion that compares modifications of the Niemytzki plane. It follows that if usual tangent discs of the Niemytzki plane are replaced by triangles with bounded angles, then the resulting space is not homeomorphic to the former. |
| title | On some modifications of the Niemytzki plane |
| topic | General Topology Primary 54C30, 54G20, Secondary 54D70, 26A24 |
| url | https://arxiv.org/abs/2506.01707 |