A sheaf‐theoretic SL(2,C) Floer homology for knots
A sheaf‐theoretic SL(2,C) Floer homology for knots
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绳结的理论 SL(2,C) Florer 同调
DOI:
10.1112/plms.12271
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发表时间:
2019
影响因子:
1.8
通讯作者:
Manolescu, Ciprian
中科院分区:
文献类型:
--
作者:
Côté, Laurent;Manolescu, Ciprian
Using the theory of perverse sheaves of vanishing cycles, we define a homological invariant of knots in three‐manifolds, similar to the three‐manifold invariant constructed by Abouzaid and the second author. We use spaces offlat connections with fixed holonomy around the meridian of the knot. Thus, our invariant is a sheaf‐theoreticanalogue of the singular knot instanton homology of Kronheimer and Mrowka. We prove that for two‐bridge and torus knots, theinvariant is determined by the‐degree of the‐polynomial. However, this is not true in general, as can be shown by considering connected sums of knots.
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