में बचाया:
| मुख्य लेखकों: | , , |
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| स्वरूप: | Preprint |
| प्रकाशित: |
2025
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| विषय: | |
| ऑनलाइन पहुंच: | https://arxiv.org/abs/2509.21140 |
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| _version_ | 1866914056510636032 |
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| author | Di Prisa, Alessio Lee, Jaewon Şavk, Oğuz |
| author_facet | Di Prisa, Alessio Lee, Jaewon Şavk, Oğuz |
| contents | In 2009, Kawauchi proved that every strongly negative amphichiral knot is rationally slice. However, as shown by Hartley in 1980, there are examples of negative amphichiral knots that are not strongly negative amphichiral. In this paper, we prove that every negative amphichiral link whose amphichiral map preserves each component is rationally slice. Our proof relies on a systematic analysis of the action induced by the negative amphichiral map on the JSJ decomposition of the link exterior. Moreover, we provide sufficient conditions on such an action to deduce when a negative amphichiral knot is either isotopic to, or concordant to, a strongly negative amphichiral knot. In particular, we prove that every fibered negative amphichiral knot is strongly negative amphichiral, answering a question asked by Kim and Wu in 2016 on Miyazaki knots. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_21140 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Every negative amphichiral knot is rationally slice Di Prisa, Alessio Lee, Jaewon Şavk, Oğuz Geometric Topology 57K10 (Primary) 57K30, 57M60 (Secondary) In 2009, Kawauchi proved that every strongly negative amphichiral knot is rationally slice. However, as shown by Hartley in 1980, there are examples of negative amphichiral knots that are not strongly negative amphichiral. In this paper, we prove that every negative amphichiral link whose amphichiral map preserves each component is rationally slice. Our proof relies on a systematic analysis of the action induced by the negative amphichiral map on the JSJ decomposition of the link exterior. Moreover, we provide sufficient conditions on such an action to deduce when a negative amphichiral knot is either isotopic to, or concordant to, a strongly negative amphichiral knot. In particular, we prove that every fibered negative amphichiral knot is strongly negative amphichiral, answering a question asked by Kim and Wu in 2016 on Miyazaki knots. |
| title | Every negative amphichiral knot is rationally slice |
| topic | Geometric Topology 57K10 (Primary) 57K30, 57M60 (Secondary) |
| url | https://arxiv.org/abs/2509.21140 |