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We compute the connected Heegaard Floer homology (defined by Hendricks, Hom, and Lidman) for a large class of 3-manifolds, including all linear combinations of Seifert fibered homology spheres. We show that for such manifolds, the connected…

Geometric Topology · Mathematics 2019-10-30 Irving Dai

We give a precise description of splicing formulas from a previous paper in terms of knot Floer complex associated with a knot in homology sphere.

Geometric Topology · Mathematics 2008-04-09 Eaman Eftekhary

We compute the Heegaard Floer homology of any rational homology 3-sphere with an open book decomposition of the form (T,\phi), where T is a genus one surface with one boundary component. In addition, we compute the Heegaard Floer homology…

Geometric Topology · Mathematics 2014-02-26 John A. Baldwin

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

We define an invariant of three-manifolds with an involution with non-empty fixed point set of codimension $2$; in particular, this applies to double branched covers over knots. Our construction gives the Heegaard Floer analogue of Li's…

Geometric Topology · Mathematics 2025-12-05 Gary Guth , Ciprian Manolescu

In an earlier paper, we introduced a knot invariant for a null-homologous knot K in an oriented three-manifold Y, which is closely related to the Heegaard Floer homology of Y. In this paper we investigate some properties of these knot…

Geometric Topology · Mathematics 2014-11-11 Peter Ozsvath , Zoltan Szabo

Lattice cohomology, defined by N\'emethi in (arXiv:0709.0841), is an invariant of negative definite plumbed 3-manifolds which conjecturally computes the Heegaard Floer homology HF^+. We prove a surgery exact triangle for the lattice…

Geometric Topology · Mathematics 2014-10-01 Joshua Greene

Bordered Heegaard Floer homology is a three-manifold invariant which associates to a surface F an algebra A(F) and to a three-manifold Y with boundary identified with F a module over A(F). In this paper, we establish naturality properties…

Geometric Topology · Mathematics 2016-01-20 Robert Lipshitz , Peter S. Ozsvath , Dylan P. Thurston

We compute the Ozsvath-Szabo Floer homologies HF^{+-} and HF-hat for three-manifolds obtained by integer surgery on a two-bridge knot.

Geometric Topology · Mathematics 2014-10-01 Jacob Rasmussen

For any three-manifold presented as surgery on a framed link (L,\Lambda) in an integral homology sphere, Manolescu and Ozsv\'ath construct a hypercube of chain complexes whose homology calculates the Heegaard Floer homology of…

Geometric Topology · Mathematics 2011-09-20 Tye Lidman

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

This paper provides an introduction to the basics of Heegaard Floer homology with some emphasis on the hat theory and to the contact geometric invariants in the theory. The exposition is designed to be comprehensible to people without any…

Symplectic Geometry · Mathematics 2015-03-13 Bijan Sahamie

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

These are the lecture notes for a course on Heegaard Floer homology held at PCMI in Summer 2019. We describe Heegaard diagrams, Heegaard Floer homology, knot Floer homology, and the relationship between the knot and 3-manifold invariants.

Geometric Topology · Mathematics 2020-08-06 Jennifer Hom

We compute the Heegaard-Floer homology for the family Sigma(2,3,6n+1) of Brieskorn spheres using the algorithm by P. Ozsvath and Z. Szabo

Geometric Topology · Mathematics 2007-05-23 Selahi Durusoy

We use Heegaard Floer homology with twisted coefficients to define numerical invariants for arbitrary closed 3-manifolds equipped torsion spin$^c$ structures, generalising the correction terms (or $d$--invariants) defined by Ozsv\'ath and…

Geometric Topology · Mathematics 2016-09-27 Stefan Behrens , Marco Golla

We establish three rank inequalities for the reduced flavor of Heegaard Floer homology of Seifert fibered integral homology spheres. Combining these inequalities with the known classifications of non-zero degree maps between Seifert fibered…

Geometric Topology · Mathematics 2013-10-03 Cagri Karakurt , Tye Lidman

We introduce a notion of complexity for Sefiert homology spheres by establishing a correspondence between lattice point counting in tethrahedra and the Heegaard-Floer homology. This complexity turns out to be equivalent to a version of…

Geometric Topology · Mathematics 2015-01-23 Mahir Bilen Can , Cagri Karakurt

Bordered Floer homology is an invariant for 3-manifolds with boundary, defined by the authors in 2008. It extends the Heegaard Floer homology of closed 3-manifolds, defined in earlier work of Zolt\'an Szab\'o and the second author. In…

Geometric Topology · Mathematics 2023-08-01 Robert Lipshitz , Peter Ozsváth , Dylan Thurston

We calculate the Heegaard Floer homologies$HF^+(M,s) for mapping tori M associated to certain surface diffeomorphisms, where s is any Spin^c structure on M whose first Chern class is non-torsion. Let gamma and delta be a pair of…

Geometric Topology · Mathematics 2014-10-01 Stanislav Jabuka , Thomas Mark