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We perform two explicit computations of bordered Heegaard Floer invariants. The first is the type D trimodule associated to the trivial S^1 bundle over the pair of pants P. The second is a bimodule that is necessary for self-gluing, when…

Geometric Topology · Mathematics 2016-12-21 Jonathan Hanselman

We study a module structure on Khovanov homology, which we show is natural under the Ozsvath-Szabo spectral sequence to the Floer homology of the branched double cover. As an application, we show that this module structure detects trivial…

Geometric Topology · Mathematics 2014-11-11 Matthew Hedden , Yi Ni

We define a new homology theory we call symbol homology by using decorated moduli spaces of Whitney polygons. By decorating different types of moduli spaces we obtain different flavors of this homology theory together with morphisms between…

Geometric Topology · Mathematics 2011-11-18 Bijan Sahamie

We study the conjugation involution in Seiberg-Witten theory in the context of the Ozsv\'ath-Szab\'o and Bloom's spectral sequence for the branched double cover of a link $L$ in $S^3$. We prove that there exists a spectral sequence of…

Geometric Topology · Mathematics 2017-02-15 Francesco Lin

This article addresses the two significant aspects of Ozsv\'ath and Szab\'o's knot Floer cube of resolutions that differentiate it from Khovanov and Rozansky's HOMFLY-PT chain complex: (1) the use of twisted coefficients and (2) the…

Geometric Topology · Mathematics 2016-01-20 Allison Gilmore

Using a Heegaard diagram for the pullback of a knot $K \subset S^3$ in its cyclic double branched cover $\Sigma_2(K)$, we give a combinatorial proof for the invariance of knot Floer homology over $\mathbb{Z}$.

Geometric Topology · Mathematics 2018-05-01 Fatemeh Douroudian

We use the Heegaard-Floer homology correction terms defined by Ozsv\'{a}th--Szab\'{o} to formulate a new obstruction for a knot to be of finite order in the smooth concordance group. This obstruction bears a formal resemblance to that of…

Geometric Topology · Mathematics 2007-05-23 Stanislav Jabuka , Swatee Naik

Bordered Heegaard Floer homology is an invariant for three-manifolds with boundary. In particular, this invariant associates to a handle decomposition of a surface F a differential graded algebra, and to an arc slide between two handle…

Geometric Topology · Mathematics 2015-02-10 Robert Lipshitz , Peter S. Ozsváth , Dylan P. Thurston

Given a closed surface $C$ and a real exact Lagrangian $\Sigma \subset T^*C$ associated to a spectral curve, we construct a homomorphism $\operatorname{BSk}_\kappa(C)\to\operatorname{Mat}(N^{\kappa},\operatorname{BSk}_\kappa(\Sigma))$ from…

Symplectic Geometry · Mathematics 2026-01-23 Ko Honda , Yin Tian , Tianyu Yuan

The $\Upsilon$ invariant is a concordance invariant defined by using knot Floer homology. F\"{o}ldv\'{a}ri gives a combinatorial restructure of it using grid homology. We extend the combinatorial $\Upsilon$ invariant for balanced spatial…

Geometric Topology · Mathematics 2024-06-10 Hajime Kubota

This is a survey of bordered Heegaard Floer homology, an extension of the Heegaard Floer invariant HF-hat to 3-manifolds with boundary. Emphasis is placed on how bordered Heegaard Floer homology can be used for computations.

Geometric Topology · Mathematics 2016-03-29 Robert Lipshitz , Peter Ozsváth , Dylan Thurston

Ozsvath and Szabo proved that knot Floer homology determines the genera of knots in S^3. We will generalize this deep result to links in homology 3-spheres, by adapting their method. Our proof relies on a result of Gabai and some…

Geometric Topology · Mathematics 2009-03-17 Yi Ni

We give combinatorial descriptions of the Heegaard Floer homology groups for arbitrary three-manifolds (with coefficients in Z/2). The descriptions are based on presenting the three-manifold as an integer surgery on a link in the…

Geometric Topology · Mathematics 2020-07-02 Ciprian Manolescu , Peter Ozsvath , Dylan Thurston

We define the longitude Floer homology of a knot K in S^3 and show that it is a topological invariant of K. Some basic properties of these homology groups are derived. In particular, we show that they distinguish the genus of K. We also…

Geometric Topology · Mathematics 2014-10-01 Eaman Eftekhary

Bordered Heegaard Floer homology is an invariant for 3-manifolds, which associates to a surface F an algebra A(Z), and to a 3-manifold Y with boundary, together with an orientation-preserving diffeomorphism \phi from F to \bdy Y, a module…

Geometric Topology · Mathematics 2020-02-25 Ina Petkova

We introduce a generalization of oriented tangles, which are still called tangles, so that they are in one-to-one correspondence with the sutured manifolds. We define cobordisms between sutured manifolds (tangles) by generalizing cobordisms…

Geometric Topology · Mathematics 2020-10-07 Akram Alishahi , Eaman Eftekhary

We establish a direct map between refined topological vertex and sl(N) homological invariants of the of Hopf link, which include Khovanov-Rozansky homology as a special case. This relation provides an exact answer for homological invariants…

High Energy Physics - Theory · Physics 2014-11-18 Sergei Gukov , Amer Iqbal , Can Kozcaz , Cumrun Vafa

In this paper we introduce a chain complex $C_{1 \pm 1}(D)$ where D is a plat braid diagram for a knot K. This complex is inspired by knot Floer homology, but it the construction is purely algebraic. It is constructed as an oriented cube of…

Geometric Topology · Mathematics 2018-11-01 Akram Alishahi , Nathan Dowlin

This thesis is devoted to the fields of quantum topology and rewriting theory, and their surprising interconnections. In the first part of the thesis, we develop a higher representation theoretic approach to odd Khovanov homology; this is…

Representation Theory · Mathematics 2024-10-16 Léo Schelstraete

We exhibit the first example of a knot in the three-sphere with a pair of minimal genus Seifert surfaces that can be distinguished using the sutured Floer homology of their complementary manifolds together with the Spin^c-grading. This…

Geometric Topology · Mathematics 2015-03-17 Irida Altman