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Related papers: Monopole Floer Homology and Real Structures

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Sutured instanton Floer homology was introduced by Kronheimer and Mrowka. In this paper, we prove that for a taut balanced sutured manifold with vanishing second homology, the dimension of the sutured instanton Floer homology provides a…

Geometric Topology · Mathematics 2020-08-04 Zhenkun Li

In this remark, we show how the monopole Fr{\o}yshov invariant, as well as the analogues of the Involutive Heegaard Floer correction terms $\underline{d},\overline{d}$, are related to the $\mathrm{Pin}(2)$-equivariant Floer homology…

Geometric Topology · Mathematics 2016-05-03 Matthew Stoffregen

We extend the techniques in a previous paper to calculate the Heegaard Floer homology groups for fibered 3-manifolds M whose monodromy is a power of a Dehn twist about a genus-1 separating circle on a surface of genus g > 1. We only…

Geometric Topology · Mathematics 2007-05-23 Stanislav Jabuka , Thomas Mark

We show that immersed Lagrangian Floer cohomology in compact rational symplectic manifolds is invariant under Maslov flows such as coupled mean curvature/Kaehler-Ricci flow in the sense of Smoczyk as a pair of self-intersection points is…

Symplectic Geometry · Mathematics 2026-04-06 Joseph Palmer , Chris Woodward , with an erratum written jointly with Hadi Azizi

We define flag structures on a real three manifold M as the choice of two complex lines on the complexified tangent space at each point of M. We suppose that the plane field defined by the complex lines is a contact plane and construct an…

Differential Geometry · Mathematics 2018-05-01 E Falbel , J Veloso

To a link L in the 3-sphere, we associate a spectral sequence whose E^2 page is the reduced Khovanov homology of L and which converges to a version of the monopole Floer homology of the branched double cover. The pages E^k for k > 1 depend…

Geometric Topology · Mathematics 2009-11-20 Jonathan M. Bloom

Updated rerefences and introduction. Given a knot in an integer homology sphere, one can construct a family of closed 3-manifolds (parametrized by the positive integers), namely the cyclic branched coverings of the knot. In this paper we…

Geometric Topology · Mathematics 2007-05-23 Stavros Garoufalidis , Andrew Kricker

Let (M,\omega) be a compact symplectic manifold, and \phi be a symplectic diffeomorphism on M, we define a Floer-type homology FH_*(\phi) which is a gen- eralization of Floer homology for symplectic fixed points defined by Dostoglou and…

Symplectic Geometry · Mathematics 2007-08-14 Hai-Long Her

We give a complete calculation of the infinity flavor of Heegaard Floer homology with mod 2 coefficients for all three-manifolds and torsion Spin^c structures. The computation agrees with the conjectured calculation of Ozsvath and Szabo.…

Geometric Topology · Mathematics 2010-11-19 Tye Lidman

We define an invariant of contact structures in dimension three from Heegaard Floer homology. This invariant takes values in the set $\mathbb{Z}_{\geq0}\cup\{\infty\}$. It is zero for overtwisted contact structures, $\infty$ for Stein…

Geometric Topology · Mathematics 2019-05-08 Cagatay Kutluhan , Gordana Matic , Jeremy Van Horn-Morris , Andy Wand

In this paper we investigate the properties of a semi-linear problem on a spin manifold involving the Dirac operator, through the construction of Rabinowitz-Floer homology groups. We give several existence results for sub-critical and…

Differential Geometry · Mathematics 2013-03-21 Ali Maalaoui

We define Floer homology for a time-independent, or autonomous Hamiltonian on a symplectic manifold with contact type boundary, under the assumption that its 1-periodic orbits are transversally nondegenerate. Our construction is based on…

Symplectic Geometry · Mathematics 2008-04-30 Frédéric Bourgeois , Alexandru Oancea

We give new obstructions to the module structures arising in Heegaard Floer homology. As a corollary, we characterize the possible modules arising as the Heegaard Floer homology of an integer homology sphere with one-dimensional reduced…

Geometric Topology · Mathematics 2017-08-01 Jonathan Hanselman , Cagatay Kutluhan , Tye Lidman

Given a double cover between 3-manifolds branched along a nullhomologous link, we establish an inequality between the dimensions of their Heegaard Floer homologies. We discuss the relationship with the L-space conjecture and give some other…

Geometric Topology · Mathematics 2025-07-08 Kristen Hendricks , Tye Lidman , Robert Lipshitz

We study the Floer cohomology of the Dehn twist along a real Lagrangian sphere in a symplectic manifold endowed with an anti-symplectic involution. We prove that there exists a distinguished element in the Floer group that is a fixed point…

Symplectic Geometry · Mathematics 2023-03-08 Patricia Dietzsch

Given a spin rational homology sphere $Y$ equipped with a $\mathbb{Z}/m$-action preserving the spin structure, we use the Seiberg--Witten equations to define equivariant refinements of the invariant $\kappa(Y)$ from \cite{Man14}, which take…

Geometric Topology · Mathematics 2025-10-14 Imogen Montague

We establish some new relationships between Milnor invariants and Heegaard Floer homology. This includes a formula for the Milnor triple linking number from the link Floer complex, detection results for the Whitehead link and Borromean…

Geometric Topology · Mathematics 2020-06-30 Eugene Gorsky , Tye Lidman , Beibei Liu , Allison H. Moore

In this paper, we introduce the notion of Floer lasagna modules, which is inspired by the construction of skein lasagna module in [MWW19] by Morrison, Walker and Wedrich. Here we use link Floer homology instead of Khovanov-Rozansky…

Geometric Topology · Mathematics 2022-03-16 Daren Chen

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 prove that Floer theory induces a filtration by ideals on equivariant quantum cohomology of symplectic manifolds equipped with a $\mathbb{C}^*$-action. In particular, this gives rise to Hilbert-Poincar\'e polynomials on ordinary…

Symplectic Geometry · Mathematics 2024-11-13 Alexander F. Ritter , Filip Živanović
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