The Powell Conjecture for the genus-three Heegaard splitting of the $3$-sphere
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866910727610040320 |
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| author | Cho, Sangbum Koda, Yuya Lee, Jung Hoon |
| author_facet | Cho, Sangbum Koda, Yuya Lee, Jung Hoon |
| contents | The Powell Conjecture states that the Goeritz group of the Heegaard splitting of the $3$-sphere is finitely generated; furthermore, four specific elements suffice to generate the group. Zupan demonstrated that the conjecture holds if and only if the reducing sphere complexes are all connected. In this work, we establish the connectivity of the reducing sphere complex for the genus-$3$ case, thereby confirming the Powell Conjecture in genus $3$. Additionally, we propose a potential framework for extending this approach to Heegaard splittings of higher genera. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_07438 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The Powell Conjecture for the genus-three Heegaard splitting of the $3$-sphere Cho, Sangbum Koda, Yuya Lee, Jung Hoon Geometric Topology 57K30, 57K20, 20F05 The Powell Conjecture states that the Goeritz group of the Heegaard splitting of the $3$-sphere is finitely generated; furthermore, four specific elements suffice to generate the group. Zupan demonstrated that the conjecture holds if and only if the reducing sphere complexes are all connected. In this work, we establish the connectivity of the reducing sphere complex for the genus-$3$ case, thereby confirming the Powell Conjecture in genus $3$. Additionally, we propose a potential framework for extending this approach to Heegaard splittings of higher genera. |
| title | The Powell Conjecture for the genus-three Heegaard splitting of the $3$-sphere |
| topic | Geometric Topology 57K30, 57K20, 20F05 |
| url | https://arxiv.org/abs/2402.07438 |