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We define a quantitative invariant of Liouville cobordisms with monotone filling through an action-completed symplectic cohomology theory. We illustrate the non-trivial nature of this invariant by computing it for annulus subbundles of the…

Symplectic Geometry · Mathematics 2018-02-21 Sara Venkatesh

We derive constraints on Lagrangian concordances from Legendrian submanifolds of the standard contact sphere admitting exact Lagrangian fillings. More precisely, we show that such a concordance induces an isomorphism on the level of…

Symplectic Geometry · Mathematics 2015-01-20 Baptiste Chantraine , Georgios Dimitroglou Rizell , Paolo Ghiggini , Roman Golovko

We prove an isomorphism of Floer cohomologies under geometric composition of Lagrangian correspondences in exact and monotone settings.

Symplectic Geometry · Mathematics 2010-08-16 Katrin Wehrheim , Chris T. Woodward

This is the third paper in a series of papers studying intersection Floer theory of Lagrangians in the complement of a smooth divisor. We complete the construction of Floer homology for such Lagrangians.

Symplectic Geometry · Mathematics 2022-11-07 Aliakbar Daemi , Kenji Fukaya

Let (M, \om) be a symplectic manifold. A Lagrangian fiber bundle \pi : M -> B determines a completely integrable system on M. First integrals of this system are the pull-backs of functions on the base of the bundle. We show that for each…

Quantum Algebra · Mathematics 2007-05-23 Nicolai Reshetikhin , Milen Yakimov

We consider symplectic fibrations as in Guillemin-Lerman-Sternberg, and derive a spectral sequence to compute the Floer cohomology of certain fibered Lagrangians sitting inside a compact symplectic fibration with small monotone fibers and a…

Symplectic Geometry · Mathematics 2023-02-15 Douglas Schultz

We introduce a new construction for tropical Lagrangian surfaces in $(\mathbb{C}^*)^2$. This construction makes the surfaces special Lagrangian, which gives a strong control over the asymptotic behavior of holomorphic disks near each…

Symplectic Geometry · Mathematics 2025-07-04 Jaewon Chang

The generic fiber of a Lagrangian fibration on an irreducible holomorphic symplectic manifold is an abelian variety. Associate a polarization type to such Lagrangian fibrations coming from polarizations on a generic fiber. We prove that…

Algebraic Geometry · Mathematics 2016-04-27 Benjamin Wieneck

A classical way to construct a Lagrangian in a symplectic manifold $\Sigma$ is to let $\Sigma$ appear as a smooth fiber in a Lefschetz fibration. If this is possible the singularities of the fibration induce Lagrangian spheres in $\Sigma$…

Symplectic Geometry · Mathematics 2011-07-12 Yochay Jerby

We assign, to a Langrangian submanifold $L$, a new homology which manages the bubbling of disks by means of auxiliary Morse data. This invariant of the Hamiltonian isotopy class of $L$ has many applications and naturally leads to a…

Symplectic Geometry · Mathematics 2007-05-23 Octav Cornea , Francois Lalonde

We investigate the stability of fibers of coisotropic fibrations on holomorphic symplectic manifolds and generalize Voisin's result on Lagrangian subvarieties to this framework. We present applications to the moduli space of holomorphic…

Algebraic Geometry · Mathematics 2016-01-26 Christian Lehn , Gianluca Pacienza

We consider a fibered Lagrangian $L$ in a compact symplectic fibration with small monotone fibers, and develop a strategy for lifting $J$-holomorphic disks with Lagrangian boundary from the base to the total space. In case $L$ is a product,…

Symplectic Geometry · Mathematics 2021-10-28 Douglas Schultz

In this paper we construct and classify Lagrangian T^3-fibrations on non compact symplectic manifolds with singular fibres of prescribed topological type. This contributes to the understanding of the structure of the singular fibres that…

Symplectic Geometry · Mathematics 2009-08-13 Ricardo Castaño-Bernard

We construct Hamiltonian Floer complexes associated to continuous, and even lower semi-continuous, time dependent exhaustion functions on geometrically bounded symplectic manifolds. We further construct functorial continuation maps…

Symplectic Geometry · Mathematics 2023-06-21 Yoel Groman

Given a Liouville manifold, we compute a Floer-homotopical invariant -- the complexification of the lift of symplectic cohomology to complex cobordism -- in terms of a classical Floer-theoretic invariant, namely, symplectic cohomology…

Symplectic Geometry · Mathematics 2026-05-18 Kenneth Blakey , Noah Porcelli

We use quasimap Floer cohomology for varying symplectic quotients to resolve several puzzles regarding displaceability of toric moment fibers. For example, we (i) present a compact Hamiltonian torus action containing an {\em open} subset of…

Symplectic Geometry · Mathematics 2012-04-09 Glen Wilson , Chris Woodward

Using a simplified version of Kuranishi perturbation theory that we call semi-global Kuranishi structures, we give a definition of the equivariant Lagrangian Floer cohomology of a pair of Lagrangian submanifolds that are fixed under a…

Symplectic Geometry · Mathematics 2021-08-25 Erkao Bao , Ko Honda

Using the structural theorems developed in [Hua13], we study the deformation theory of coisotropic submanifolds in contact manifolds, under the assumption that the characteristic foliation is nonsingular. In the "middle" dimensions, we find…

Symplectic Geometry · Mathematics 2014-11-25 Yang Huang

Second gradient theories have to be used to capture how local micro heterogeneities macroscopically affect the behavior of a continuum. In this paper a configurational space for a solid matrix filled by an unknown amount of fluid is…

Mathematical Physics · Physics 2010-07-15 Giulio Sciarra , Francesco dell'Isola , Nicoletta Ianiro , Angela Madeo

Let X be a compact Kahler holomorphic-symplectic manifold, which is deformation equivalent to the Hilbert scheme of length n subschemes of a K3 surface. Let L be a nef line-bundle on X, such that the 2n-th power of c_1(L) vanishes and…

Algebraic Geometry · Mathematics 2024-10-29 Eyal Markman