A note on band surgery and the signature of a knot
A note on band surgery and the signature of a knot
复制标题
关于带状手术的注释和结的签名
DOI:
10.1112/blms.12397
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发表时间:
2020
影响因子:
0.9
通讯作者:
Vazquez, Mariel
中科院分区:
文献类型:
--
作者:
Moore, Allison H.;Vazquez, Mariel
Band surgery is an operation relating pairs of knots or links in the three‐sphere. We prove that if two quasi‐alternating knotsandof the same square‐free determinant are related by a band surgery, then the absolute value of the difference in their signatures is either 0 or 8. This obstruction follows from a more general theorem about the difference in the Heegaard Floer‐invariants for pairs of L‐spaces that are related by distance one Dehn fillings and satisfy a certain condition in first homology. These results imply thatis the only torus knotwithsquare‐free that admits a chirally cosmetic banding, that is, a band surgery operation to its mirror image. We conclude with a discussion on the scarcity of chirally cosmetic bandings.
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DOI:
10.1090/s0002-9939-1987-0894448-2
发表时间:
1987-04
期刊:
arXiv: Cosmology and Nongalactic Astrophysics
影响因子:
--
作者:
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通讯作者:
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影响因子:
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DOI:
--
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1962
期刊:
影响因子:
--
作者:
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影响因子:
0.5
作者:
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DOI:
--
发表时间:
2014
期刊:
影响因子:
--
作者:
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