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This article deals with a continuous closed 1-form defined on a CW-complex. In particular, we show Lusternik-Schnirelmann type theory on continuous closed 1-forms which is related to gradient-like flows. M.Farber defined a continuous closed…

Differential Geometry · Mathematics 2016-08-02 Kazuyoshi Watanabe

We introduce the notion of a Khovanov-Floer theory. Roughly, such a theory assigns a filtered chain complex over Z/2 to a link diagram such that (1) the E_2 page of the resulting spectral sequence is naturally isomorphic to the Khovanov…

Geometric Topology · Mathematics 2018-06-19 John A. Baldwin , Matthew Hedden , Andrew Lobb

We analyse the topological (knot-theoretic) features of a certain codimension-one bifurcation of a partially hyperbolic fixed point in a flow on $\real^3$ originally described by Shil'nikov. By modifying how the invariant manifolds wrap…

Dynamical Systems · Mathematics 2016-09-07 Robert Ghrist , Todd Young

In this note we study the functoriality of the coniveau filtration in motivic homotopy theory via a moving lemma over a base scheme, extending previous works of Levine and Bachmann-Yakerson. The main result is that the motivic stable…

Algebraic Geometry · Mathematics 2023-03-29 Frédéric Déglise , Niels Feld , Fangzhou Jin

In this article, we use concepts and methods from the theory of simplicial sets to study discrete Morse theory. We focus on the discrete flow category introduced by Vidit Nanda, and investigate its properties in the case where it is defined…

Algebraic Topology · Mathematics 2025-03-05 Bjørnar Gullikstad Hem

Recently, Manolescu-Sarkar constructed a stable homotopy type for link Floer homology, which uses grid homology and accounts for all domains that do not pass through a specific square. We explicitly give the framings of the…

Geometric Topology · Mathematics 2026-03-31 Yan Tao

We prove that the category of flows cannot be the underlying category of a model category whose corresponding homotopy types are the flows up to weak dihomotopy. Some hints are given to overcome this problem. In particular, a new approach…

Algebraic Topology · Mathematics 2021-08-24 Philippe Gaucher

This paper considers the invariance of knot Floer homology in a purely algebraic setting, without reference to Heegaard diagrams, holomorphic disks, or grid diagrams. We show that (a small modification of) Ozsv\'ath and Szab\'o's cube of…

Geometric Topology · Mathematics 2014-03-10 Allison Gilmore

We present a new approach to Morse and Novikov theories, based on the deRham Federer theory of currents, using the finite volume flow technique of Harvey and Lawson. In the Morse case, we construct a noncompact analogue of the Morse…

Differential Geometry · Mathematics 2007-05-23 Reese F. Harvey , G. Minervini

We construct the vortex Floer homology group $VHF (M,\mu;H)$ for an aspherical Hamiltonian $G$-manifold $(M, \omega)$ with moment map $\mu$ and a class of $G$-invariant Hamiltonian loop $H_t$, following the proposal of [3]. This is a…

Symplectic Geometry · Mathematics 2016-03-22 Guangbo Xu

We propose a definition of a homology of a one-dimensional foliation defined by a non-singular Morse-Smale flow. We also show the calculation of the homology of such a foliation which is naturally associated with Seifert fibration.

Geometric Topology · Mathematics 2025-10-14 Masato Akizawa , Ryosuke Furuta , Shigeaki Miyoshi

On a smooth compact Riemannian manifold without boundary, we construct a finite dimensional cohomological complex of currents that are invariant by an Axiom A flow verifying Smale's transversality assumptions. The cohomology of that complex…

Dynamical Systems · Mathematics 2021-07-20 Antoine Meddane

Given a closed symplectic manifold $(M,\omega)$ we introduce a certain quantity associated to a tuple of conjugacy classes in the universal cover of the group ${\hbox{\it Ham}} (M,\omega)$ by means of the Hofer metric on ${\hbox{\it Ham}}…

Symplectic Geometry · Mathematics 2009-10-31 Michael Entov

Condensed mathematics as developed by Clausen and Scholze yields a version of derived functors over the category of continuous $G$-modules for a Hausdorff topological group $G$. We study the resulting notion of group cohomology and its…

Algebraic Topology · Mathematics 2025-12-04 Emma Brink

In this paper we introduce a new compactness condition - Property (C) - for flows in (not necessary locally compact) metric spaces. For such flows a Conley type theory can be developed. For example (regular) index pairs always exist for…

Dynamical Systems · Mathematics 2016-12-19 Marek Izydorek , Thomas O. Rot , Maciej Starostka , Marcin Styborski , Robert C. A. M. Vandervorst

We construct a deformed Morse complex computing the equivariant cohomology of a manifold M endowed with a smooth S^1-action. The deformation of the coboundary operator is given by counting gradient flow lines of a Morse function f that are…

Algebraic Topology · Mathematics 2012-04-13 Marko Berghoff

Seidel-Smith and Hendricks used equivariant Floer cohomology to define some spectral sequences from symplectic Khovanov homology and Heegaard Floer homology. These spectral sequences give rise to Smith-type inequalities. Similar-looking…

Symplectic Geometry · Mathematics 2017-05-17 Kristen Hendricks , Robert Lipshitz , Sucharit Sarkar

Erratum, 11 July 2022: This is an updated version of the original paper in which the notion of reparametrization category was incorrectly axiomatized. Details on the changes to the original paper are provided in the Appendix. A…

Category Theory · Mathematics 2024-08-07 Philippe Gaucher

In this paper, we introduce a class of new logarithmic curvature flow. The flows are designed to embrace the monotonicity of the related functional, and the convergence of this flow would tackle the solvability of the weighted…

Analysis of PDEs · Mathematics 2023-06-16 Jinrong Hu , Qiongfang Mao

This paper establishes the orderability of contact manifolds which are quotients of fillable contact manifolds under finite group actions compatible with the filling, the prototypical example being $\mathbb{R}P^{2n-1}$ as the quotient of…

Symplectic Geometry · Mathematics 2026-05-19 Dylan Cant , Eric Kilgore , Jun Zhang