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This is a companion paper to earlier work of the authors, which interprets the Heegaard Floer homology for a manifold with torus boundary in terms of immersed curves in a punctured torus. We prove a variety of properties of this invariant,…

Geometric Topology · Mathematics 2018-10-25 Jonathan Hanselman , Jacob Rasmussen , Liam Watson

To a nullhomologous knot $K$ in a 3-manifold $Y$, knot Floer homology associates a bigraded chain complex over $\mathbb{F}[U,V]$ as well as a collection of flip maps; we show that this data can be interpretted as a collection of decorated…

Geometric Topology · Mathematics 2023-05-26 Jonathan Hanselman

Knot Floer homology is a knot invariant defined using holomorphic curves. In more recent work, taking cues from bordered Floer homology,the authors described another knot invariant, called "bordered knot Floer homology", which has an…

Geometric Topology · Mathematics 2019-12-05 Zoltan Szabo , Peter Ozsvath

This paper gives a geometric interpretation of bordered Heegaard Floer homology for manifolds with torus boundary. If $M$ is such a manifold, we show that the type D structure $\widehat{\mathit{CFD}}$ may be viewed as a set of immersed…

Geometric Topology · Mathematics 2023-04-27 Jonathan Hanselman , Jacob Rasmussen , Liam Watson

We define a concordance invariant, epsilon(K), associated to the knot Floer complex of K, and give a formula for the Ozsv\'ath-Szab\'o concordance invariant tau of K_{p,q}, the (p,q)-cable of a knot K, in terms of p, q, tau(K), and…

Geometric Topology · Mathematics 2014-02-26 Jennifer Hom

We use bordered Floer homology to give a formula for the knot Floer homology of any (p, pn+1)-cable of a thin knot K in terms of Delta_K(t), tau(K), p, and n. We also give a formula for the Ozsvath-Szabo concordance invariant tau(K_{p,…

Geometric Topology · Mathematics 2014-10-20 Ina Petkova

We construct Heegaard Floer theory for 3-manifolds with connected boundary. The theory associates to an oriented, parametrized two-manifold a differential graded algebra. For a three-manifold with parametrized boundary, the invariant comes…

Geometric Topology · Mathematics 2021-01-26 Robert Lipshitz , Peter Ozsvath , Dylan Thurston

For 3-manifolds with torus boundary, the bordered Heegaard Floer invariants of Lipshitz--Ozsv\'ath--Thurston have a geometric interpretation as immersed multi-curves with local systems in the punctured torus according to the work of…

Geometric Topology · Mathematics 2025-01-13 Jesse Cohen , Gary Guth

We continue our study of the knot Floer homology invariants of cable knots. For large |n|, we prove that many of the filtered subcomplexes in the knot Floer homology filtration associated to the (p,pn+1) cable of a knot, K, are isomorphic…

Geometric Topology · Mathematics 2008-06-16 Matthew Hedden

Knot Floer homology is an invariant for knots discovered by the authors and, independently, Jacob Rasmussen. The discovery of this invariant grew naturally out of studying how a certain three-manifold invariant, Heegaard Floer homology,…

Geometric Topology · Mathematics 2017-06-26 Peter Ozsvath , Zoltan Szabo

We apply sutured Floer homology techniques to study the knot and link Floer homologies of various links with annuli embedded in their exteriors. Our main results include, for large $m$, characterizations of links with the same link Floer…

Geometric Topology · Mathematics 2024-05-21 Fraser Binns , Subhankar Dey

Bordered Floer homology assigns invariants to 3-manifolds with boundary, such that the Heegaard Floer homology of a closed 3-manifold, split into two pieces, can be recovered as a tensor product of the bordered invariants of the pieces. We…

Geometric Topology · Mathematics 2025-07-08 Christopher L. Douglas , Robert Lipshitz , Ciprian Manolescu

For pattern knots admitting genus-one bordered Heegaard diagrams, we show the knot Floer chain complexes of the corresponding satellite knots can be computed using immersed curves. This, in particular, gives a convenient way to compute the…

Geometric Topology · Mathematics 2021-07-09 Wenzhao Chen

We review the construction of Heegaard Floer homology for closed three-manifolds and also for knots and links in the three-sphere. We also discuss three applications of this invariant to knot theory: studying the Thurston norm of a link…

Geometric Topology · Mathematics 2007-05-23 Peter Ozsvath , Zoltan Szabo

Using the conjugation symmetry on Heegaard Floer complexes, we define a three-manifold invariant called involutive Heegaard Floer homology, which is meant to correspond to $\mathbb{Z}_4$-equivariant Seiberg-Witten Floer homology. Further,…

Geometric Topology · Mathematics 2017-10-18 Kristen Hendricks , Ciprian Manolescu

We establish a framework for extending invariants of sutured manifolds to invariants of pairs of sutured manifolds who differ by attaching a basic slice along a torus boundary component. In the particular case of (bordered-)sutured Floer…

Geometric Topology · Mathematics 2022-04-28 Thomas Hockenhull

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

We describe a new method for computing the $UV = 0$ knot Floer complex of a satellite knot given the $UV = 0$ knot Floer complex for the companion and a doubly pointed bordered Heegaard diagram for the pattern, showing that the complex for…

Geometric Topology · Mathematics 2023-09-22 Wenzhao Chen , Jonathan Hanselman

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 calculate the Heegaard Floer homologies for three-manifolds obtained by plumbings of spheres specified by certain graphs. Our class of graphs is sufficiently large to describe, for example, all Seifert fibered rational homology spheres.…

Symplectic Geometry · Mathematics 2014-11-11 Peter Ozsvath , Zoltan Szabo
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