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We construct a Floer type boundary operator for generalised Morse-Smale dynamical systems on compact smooth manifolds by counting the number of suitable flow lines between closed (both homoclinic and periodic) orbits and isolated critical…

Dynamical Systems · Mathematics 2024-12-10 Marzieh Eidi , Jürgen Jost

This is a survey article about knot Floer homology. We present three constructions of this invariant: the original one using holomorphic disks, a combinatorial description using grid diagrams, and a combinatorial description in terms of the…

Geometric Topology · Mathematics 2016-03-18 Ciprian Manolescu

We obtain rigidity and gluing results for the Morse complex of a real-valued Morse function as well as for the Novikov complex of a circle-valued Morse function. A rigidity result is also proved for the Floer complex of a hamiltonian…

Algebraic Topology · Mathematics 2007-05-23 Octav Cornea , Andrew Ranicki

In general, Lagrangian Floer homology - if well-defined - is not isomorphic to singular homology. For arbitrary closed Lagrangian submanifolds a local version of Floer homology is defined in [Flo89, Oh96] which is isomorphic to singular…

Symplectic Geometry · Mathematics 2007-05-23 Peter Albers

We compute the $k$-colored $\mathfrak{sl}(N)$ homology of the torus knot $T(2,2m+1)$, and we show that it stabilizes as $m\to\infty$ to the integral homology of the free loop space of the complex Grassmannian $\mathrm{Gr}(k,N)$. In…

Geometric Topology · Mathematics 2026-04-29 Joshua Wang

For an aspherical symplectic manifold, closed or with convex contact boundary, and with vanishing first Chern class, a Floer chain complex is defined for Hamiltonians linear at infinity with coefficients in the group ring of the fundamental…

Symplectic Geometry · Mathematics 2021-10-22 Sebastian Pöder Balkeståhl

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 study the motion of a charge on a conformally flat Riemannian torus in the presence of magnetic field. We prove that for any non-zero magnetic field there always exist orbits of this motion which have conjugate points. We conjecture that…

Dynamical Systems · Mathematics 2007-05-23 M. L. Bialy

This paper is concerned with the rational symplectic field theory in the Floer case. For this observe that in the general geometric setup for symplectic field theory the contact manifolds can be replaced by mapping tori of symplectic…

Symplectic Geometry · Mathematics 2009-01-13 Oliver Fabert

The Floer homology of (RP^n,T^n) is calculated, for n odd.

Symplectic Geometry · Mathematics 2009-02-09 Garrett Alston

Sutured Floer homology, denoted by SFH, is an invariant of balanced sutured manifolds previously defined by the author. In this paper we give a formula that shows how this invariant changes under surface decompositions. In particular, if…

Geometric Topology · Mathematics 2014-11-11 Andras Juhasz

This is the third paper of this series. In \cite{Wang20}, we defined the monopole Floer homology for any pair $(Y,\omega)$, where $Y$ is a compact oriented 3-manifold with toroidal boundary and $\omega$ is a suitable closed 2-form viewed as…

Geometric Topology · Mathematics 2023-01-11 Donghao Wang

Given a symplectic manifold equipped with a Hamiltonian $G$-action and two $G$-invariant Lagrangians, we lift the construction of equivariant Lagrangian Floer homology of G.\@~Cazassus to the Novikov ring by constructing a ``quantum'' model…

Symplectic Geometry · Mathematics 2025-05-06 Julio Sampietro Christ

We show that the existence of noncontractible periodic orbits for compactly supported time-dependent Hamiltonian on the disk cotangent bundle of a Finsler manifold provided that the Hamiltonian is sufficiently large over the zero section.…

Symplectic Geometry · Mathematics 2020-10-22 Wenmin Gong , Jinxin Xue

We construct absolute and relative versions of Hamiltonian Floer homology algebras for strongly semi-positive compact symplectic manifolds with convex boundary, where the ring structures are given by the appropriate versions of the…

Symplectic Geometry · Mathematics 2016-05-10 Sergei Lanzat

In $n$-dimensional classical field theory one studies maps from $n$-dimensional manifolds in such a way that classical mechanics is recovered for $n=1$. In previous papers we have shown that the standard polysymplectic framework in which…

Symplectic Geometry · Mathematics 2024-04-19 Ronen Brilleslijper , Oliver Fabert

This is the first part of an article in two parts, which builds the foundation of a Floer-theoretic invariant, (I_F). (See math.DG/0505013 for part II). The Floer homology can be trivial in many variants of the Floer theory; it is therefore…

Differential Geometry · Mathematics 2007-05-23 Yi-Jen Lee

Rabinowitz-Floer homology is the Morse-Bott homology in the sense of Floer associated with the Rabinowitz action functional introduced by Kai Cieliebak and Urs Frauenfelder in 2009. In this manuscript, we consider a generalisation of this…

Symplectic Geometry · Mathematics 2026-02-02 Yannis Bähni

Ozsvath and Szabo gave a combinatorial description of knot Floer homology based on a cube of resolutions, which uses maps with twisted coefficients. We study the t=1 specialization of their construction. The associated spectral sequence…

Geometric Topology · Mathematics 2014-02-07 Ciprian Manolescu

Given a torus bundle $Y$ over the circle and a cohomology class $[\omega]\in H^2(Y;\mathbb{Z})$ which evaluates nontrivially on the fiber, we compute the Heegaard Floer homology of $Y$ with twisted coefficients in the universal Novikov…

Geometric Topology · Mathematics 2014-10-01 Yinghua Ai , Thomas Peters