Infinite families of standard Cappell-Shaneson spheres
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866913715726581760 |
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| author | Iwaki, Kazunori |
| author_facet | Iwaki, Kazunori |
| contents | Cappell-Shaneson homotopy 4-spheres (CS spheres) are potential counterexamples of the smooth 4-dimensional Poincaré conjecture. Akbulut proved that infinite CS spheres are diffeomorphic to the standard 4-sphere by Kirby calculus. Kim and Yamada found another family of CS spheres which is composed of standard CS spheres. In this paper, we prove more CS spheres are standard. We give 145 new infinite families of CS spheres which are diffeomorphic to the standard 4-sphere. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2404_05096 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Infinite families of standard Cappell-Shaneson spheres Iwaki, Kazunori Geometric Topology Number Theory 57R60 Cappell-Shaneson homotopy 4-spheres (CS spheres) are potential counterexamples of the smooth 4-dimensional Poincaré conjecture. Akbulut proved that infinite CS spheres are diffeomorphic to the standard 4-sphere by Kirby calculus. Kim and Yamada found another family of CS spheres which is composed of standard CS spheres. In this paper, we prove more CS spheres are standard. We give 145 new infinite families of CS spheres which are diffeomorphic to the standard 4-sphere. |
| title | Infinite families of standard Cappell-Shaneson spheres |
| topic | Geometric Topology Number Theory 57R60 |
| url | https://arxiv.org/abs/2404.05096 |