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This is the second paper in this series. Following the setup of Meng-Taubes, we define 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…

Geometric Topology · Mathematics 2022-12-14 Donghao Wang

A new relation between homoclinic points and Lagrangian Floer homology is presented: In dimension two, we construct a Floer homology generated by primary homoclinic points. We compute two examples and prove an invariance theorem. Moreover,…

Symplectic Geometry · Mathematics 2017-04-11 Sonja Hohloch

In this paper we first develop various enhancements of the theory of spectral invariants of Hamiltonian Floer homology and of Entovi-Polterovich theory of spectral symplectic quasi-states and quasimorphisms by incorporating \emph{bulk…

Symplectic Geometry · Mathematics 2017-01-18 Kenji Fukaya , Yong-Geun Oh , Hiroshi Ohta , Kaoru Ono

We review and streamline our previous results and the results of Y.Ostrover on the existence of Calabi quasi-morphisms and symplectic quasi-states on symplectic manifolds with semi-simple quantum homology. As an illustration, we discuss the…

Symplectic Geometry · Mathematics 2007-12-18 Michael Entov , Leonid Polterovich

For a closed symplectic surface, there are two types of spectral invariants: one defined by periodic Floer homology (PFH) and another by quantitative Heegaard Floer homology (QHF). The theme of this paper is to investigate the relationship…

Symplectic Geometry · Mathematics 2025-04-22 Guanheng Chen

We prove that, for any n, there are simply-connected four-manifolds which admit n-tuples of symplectic forms whose first Chern classes have pairwise different divisibilities in integral cohomology. It follows that the moduli space of…

Symplectic Geometry · Mathematics 2007-05-23 Ivan Smith

We compute the Floer homology of mapping classes which do not have any pseudo-Anosov components in the sense of Thurston's theory of surface diffeomorphisms. The formula for the Floer homology is obtained from a topological separation of…

Symplectic Geometry · Mathematics 2007-05-23 Ralf Gautschi

We provide constructions of equivariant Lagrangian Floer homology groups, by constructing and exploiting an $A_\infty$-module structure on the Floer complex.

Symplectic Geometry · Mathematics 2024-04-29 Guillem Cazassus

We define an infinite family of linearly independent, integer-valued smooth concordance homomorphisms. Our homomorphisms are explicitly computable and rely on local equivalence classes of knot Floer complexes over the ring $\mathbb{F}[U,…

Geometric Topology · Mathematics 2022-01-14 Irving Dai , Jennifer Hom , Matthew Stoffregen , Linh Truong

We define formal geometric quantisation for proper Hamiltonian actions by possibly noncompact groups on possibly noncompact, prequantised symplectic manifolds, generalising work of Weitsman and Paradan. We study the functorial properties of…

Symplectic Geometry · Mathematics 2016-08-31 Peter Hochs , Varghese Mathai

Building on ideas from [DT98; DS11; Wal17; Hay17], we outline a proposal for constructing Floer homology groups associated with a G2-manifold. These groups are generated by associative submanifolds and solutions of the ADHM Seiberg-Witten…

Differential Geometry · Mathematics 2021-03-16 Aleksander Doan , Thomas Walpuski

We assign to each nondegenerate Hamiltonian on a closed symplectic manifold a Floer-theoretic quantity called its "boundary depth," and establish basic results about how the boundary depths of different Hamiltonians are related. As…

Symplectic Geometry · Mathematics 2011-08-09 Michael Usher

For a class of symplectic manifolds, we introduce a functional which assigns a real number to any pair of continuous functions on the manifold. This functional has a number of interesting properties. On the one hand, it is Lipschitz with…

Symplectic Geometry · Mathematics 2007-07-15 Michael Entov , Leonid Polterovich , Frol Zapolsky

We study the flux homomorphism for closed forms of arbitrary degree, with special emphasis on volume forms and on symplectic forms. The volume flux group is an invariant of the underlying manifold, whose non-vanishing implies that the…

Algebraic Topology · Mathematics 2007-08-21 J. Kedra , D. Kotschick , S. Morita

We study the heat flow in the loop space of a closed Riemannian manifold $M$ as an adiabatic limit of the Floer equations in the cotangent bundle. Our main application is a proof that the Floer homology of the cotangent bundle, for the…

Symplectic Geometry · Mathematics 2014-02-10 Dietmar A. Salamon , Joa Weber

In this paper, we give partial answers to the following questions: Which contact manifolds are contactomorphic to links of isolated complex singularities? Which symplectic manifolds are symplectomorphic to smooth affine varieties? The…

Symplectic Geometry · Mathematics 2015-09-08 Mark McLean

This paper realises the Khovanov homology of a link in the 3-sphere as a Lagrangian Floer cohomology group, establishing a conjecture of Seidel and the second author. The starting point is the previously established formality theorem for…

Symplectic Geometry · Mathematics 2018-05-22 Mohammed Abouzaid , Ivan Smith

This is the first of five papers that construct an isomorphism between the embedded contact homology and Seiberg-Witten Floer cohomology of a compact 3-manifold with a given contact 1-form. This paper describes what is involved in the…

Geometric Topology · Mathematics 2008-12-04 Clifford Henry Taubes

Let $G$ be a compact connected semisimple Lie group. We extend the techniques of Weinstein [W] to give a construction in group cohomology of symplectic forms $\omega$ on \lq twisted' moduli spaces of representations of the fundamental group…

alg-geom · Mathematics 2008-02-03 Lisa C. Jeffrey

We describe the construction of an $\mathcal{A}_\infty$ multi-module in terms of counts of holomorphic polygons in a series Heegaard multi-diagrams. We show that this is quasi-isomorphic to the type-A bordered-sutured invariant of a link…

Geometric Topology · Mathematics 2025-10-15 Thomas Hockenhull