A note on the knot Floer homology of fibered knots
A note on the knot Floer homology of fibered knots
复制标题
关于纤维结Floer结同源性的注记
DOI:
10.2140/agt.2018.18.3669
复制
发表时间:
2018
影响因子:
0.7
通讯作者:
D. Vela
中科院分区:
文献类型:
--
作者:
John A. Baldwin;D. Vela
We prove that the knot Floer homology of a fibered knot is nontrivial in its next-to-top Alexander grading. Immediate applications include new proofs of Krcatovich's result that knots with $L$-space surgeries are prime and Hedden and Watson's result that the rank of knot Floer homology detects the trefoil among knots in the 3--sphere. We also generalize the latter result, proving a similar theorem for nullhomologous knots in any 3--manifold. We note that our method of proof inspired Baldwin and Sivek's recent proof that Khovanov homology detects the trefoils. As part of this work, we also introduce a numerical refinement of the Ozsv\'ath-Szab\'o contact invariant. This refinement was the inspiration for Hubbard and Saltz's annular refinement of Plamenevskaya's transverse link invariant in Khovanov homology.
影响因子:
0.7
作者:
M. Hedden;O. Plamenevskaya
通讯作者:
M. Hedden;O. Plamenevskaya
DOI:
10.1007/s00029-017-0351-5
发表时间:
2018
期刊:
Selecta Mathematica
影响因子:
--
作者:
Hedden, Matthew;Watson, Liam
通讯作者:
Watson, Liam