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In this article, we initiate a geometric measure theoretic approach to symplectic Hodge theory. In particular, we apply one of the central results in geometric measure theory, the Federer-Fleming deformation theorem, together with the…

Symplectic Geometry · Mathematics 2013-10-01 Yi Lin

We provide a construction of equivariant Lagrangian Floer homology $HF_G(L_0, L_1)$, for a compact Lie group $G$ acting on a symplectic manifold $M$ in a Hamiltonian fashion, and a pair of $G$-Lagrangian submanifolds $L_0, L_1 \subset M$.…

Symplectic Geometry · Mathematics 2024-03-14 Guillem Cazassus

Liouville domains are a special type of symplectic manifolds with boundary (they have an everywhere defined Liouville flow, pointing outwards along the boundary). Symplectic cohomology for Liouville domains was introduced by…

Symplectic Geometry · Mathematics 2014-11-11 Mohammed Abouzaid , Paul Seidel

In these lecture notes we discuss a body of work in which Morse theory is used to construct various homology and cohomology operations. In the classical setting of algebraic topology this is done by constructing a moduli space of graph…

Geometric Topology · Mathematics 2007-05-23 Ralph L. Cohen

A smooth Anosov flow on a closed oriented three manifold $M$ gives rise to a Liouville structure on the four manifold $[-1,1]\times M$ which is not Weinstein, by a construction of Mitsumatsu and Hozoori. We call it the associated Anosov…

Symplectic Geometry · Mathematics 2022-11-15 Kai Cieliebak , Oleg Lazarev , Thomas Massoni , Agustin Moreno

We define Hamiltonian Floer homology with differential graded (DG) local coefficients for symplectically aspherical manifolds. The differential of the underlying complex involves chain representatives of the fundamental classes of the…

Symplectic Geometry · Mathematics 2026-05-14 Jean-François Barraud , Mihai Damian , Vincent Humilière , Alexandru Oancea

In this paper we describe and continue the study begun by the author, Jones, and Segal, of the homotopy theory that underlies Floer theory. In that paper the authors addressed the question of realizing a Floer complex as the celluar chain…

Algebraic Topology · Mathematics 2008-02-21 Ralph L. Cohen

We introduce in this paper a field theory on symplectic manifolds that are fibered over a real surface with interior marked points and cylindrical ends. We assign to each such object a morphism between certain tensor products of quantum and…

Symplectic Geometry · Mathematics 2014-11-11 Francois Lalonde

We introduce a combination of fixed point Floer homology and symplectic homology for Liouville domains. As an application, we detect non-trivial elements in the symplectic mapping class group of a Liouville domain.

Symplectic Geometry · Mathematics 2023-06-19 Igor Uljarevic

Schwarz showed that when a closed symplectic manifold (M,\om) is symplectically aspherical (i.e. the symplectic form and the first Chern class vanish on \pi_2(M)) then the spectral invariants, which are initially defined on the universal…

Symplectic Geometry · Mathematics 2010-02-17 Dusa McDuff

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

We develop connections between the qualitative dynamics of Hamiltonian isotopies on a surface $\Sigma$ and their chain-level Floer theory using ideas drawn from Hofer-Wysocki-Zehnder's theory of finite energy foliations. We associate to…

Symplectic Geometry · Mathematics 2024-06-03 Dustin Connery-Grigg

Given a symplectic 4-manifold $(X,\omega)$ with rational symplectic form, Auroux constructed branched coverings to $(CP^2,\omega_{FS})$. By modifying a previous construction of Lambert-Cole--Meier--Starkston, we prove that the branch locus…

Geometric Topology · Mathematics 2024-03-11 Peter Lambert-Cole

This paper appears as the confluence of hyperbolic dynamics, symplectic topology and low dimensional topology, etc. We show that composite symplectic Dehn twists have certain form of nonuniform hyperbolicity: it has positive topological…

Dynamical Systems · Mathematics 2024-07-11 Wenmin Gong , Zhijing Wendy Wang , Jinxin Xue

It is the goal of this paper to present the first steps for defining the analogue of Hamiltonian Floer theory for covariant field theory, treating time and space relativistically. While there already exist a number of competing geometric…

Symplectic Geometry · Mathematics 2022-11-23 Ronen Brilleslijper , Oliver Fabert

We give a new proof of the Morse Homology Theorem by constructing a chain complex associated to a Morse-Bott-Smale function that reduces to the Morse-Smale-Witten chain complex when the function is Morse-Smale and to the chain complex of…

Algebraic Topology · Mathematics 2013-01-04 Augustin Banyaga , David E. Hurtubise

Inspired by Segal-Stolz-Teichner project for geometric construction of elliptic (tmf) cohomology, and ideas of Floer theory and of Hopkins-Lurie on extended TFT's, we geometrically construct some $Ring$-valued representable cofunctors on…

Algebraic Topology · Mathematics 2014-08-15 Yasha Savelyev

Let $(S,\omega)$ be a closed connected oriented surface whose genus $l$ is at least two equipped with a symplectic form. Then we show the vanishing of the cup product of the fluxes of commuting symplectomorphisms. This result may be…

Symplectic Geometry · Mathematics 2023-06-21 Morimichi Kawasaki , Mitsuaki Kimura , Takahiro Matsushita , Masato Mimura

We consider bifurcation of critical points from a trivial branch for families of functionals that are invariant under the orthogonal action of a compact Lie group. Based on a recent construction of an equivariant spectral flow by the…

Functional Analysis · Mathematics 2023-06-05 Marek Izydorek , Joanna Janczewska , Maciej Starostka , Nils Waterstraat

Recently, J. Streets and G. Tian introduced a natural way to evolve an almost-K\"ahler manifold called the symplectic curvature flow, in which the metric, the symplectic structure and the almost-complex structure are all evolving. We study…

Symplectic Geometry · Mathematics 2015-05-25 Jorge Lauret , Cynthia Will
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