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Given a compact Lagrangian submanifold $L$ of a symplectic manifold $(M,\omega)$, Fukaya, Oh, Ohta and Ono construct a filtered $A_\infty$-algebra $\mathcal{F}(L)$, on the cohomology of $L$, which we call the Fukaya algebra of $L$. In this…

Symplectic Geometry · Mathematics 2022-07-12 Lino Amorim

Floer's chain complexes for Lagrangian submanifolds in closed symplectic manifolds are generated by intersection points of Lagrangian submanifolds and whose differentials count pseudo-holomorphic strips with Lagrangian boundary conditions.…

Symplectic Geometry · Mathematics 2007-05-23 Manabu Akaho

We study wrapped Floer theory on product Liouville manifolds and prove that the wrapped Fukaya categories defined with respect to two different kinds of natural Hamiltonians and almost complex structures are equivalent. The implication is…

Symplectic Geometry · Mathematics 2018-04-12 Yuan Gao

Let $G$ be a compact Lie group and $\mathbf{k}$ be a field of characteristic $p \geq 0$ such that $H^* (G)$ does not have $p$-torsion. We show that a free Lagrangian orbit of a Hamiltonian $G$-action on a compact, monotone, symplectic…

Symplectic Geometry · Mathematics 2018-08-20 Jonathan David Evans , Yanki Lekili

We develop an equivariant Lagrangian Floer theory for Liouville sectors that have symmetry of a Lie group $G$. Moreover, for Liouville manifolds with $G$-symmetry, we develop a correspondence theory to relate the equivariant Lagrangian…

Symplectic Geometry · Mathematics 2026-05-13 Dongwook Choa , Jiawei Hu , Siu-Cheong Lau , Yan-Lung Leon Li

This paper studies how symplectic invariants created from Hamiltonian Floer theory change under the perturbations of symplectic structures, not necessarily in the same cohomology class. These symplectic invariants include spectral…

Symplectic Geometry · Mathematics 2021-02-17 Jun Zhang

This article studies the symplectic cohomology of affine algebraic surfaces that admit a compactification by a normal crossings anticanonical divisor. Using a toroidal structure near the compactification divisor, we describe the complex…

Symplectic Geometry · Mathematics 2019-12-11 James Pascaleff

We define an integer graded symplectic Floer cohomology and a Fintushel-Stern type spectral sequence which are new invariants for monotone Lagrangian sub-manifolds and exact isotopes. The Z-graded symplectic Floer cohomology is an integral…

Geometric Topology · Mathematics 2014-10-01 Weiping Li

We consider the derived categories of modules over a certain family A_m of graded rings, and Floer cohomology of Lagrangian intersections in the symplectic manifolds which are the Milnor fibres of simple singularities of type A_m. We show…

Quantum Algebra · Mathematics 2007-05-23 Mikhail Khovanov , Paul Seidel

In this paper, we 'construct' a 2-functor from the unobstructed immersed Weinstein category to the category of all filtered $A_{\infty}$ categories. We consider arbitrary (compact) symplectic manifolds and its arbitrary (relatively spin)…

Symplectic Geometry · Mathematics 2025-04-30 Kenji Fukaya

We establish a novel relation between the cluster categories associated with marked surfaces and the topological Fukaya categories of the surfaces. We consider a generalization of the triangulated cluster category of the surface by a…

Representation Theory · Mathematics 2024-02-15 Merlin Christ

The main purpose of the present paper is a study of orientations of the moduli spaces of pseudo-holomorphic discs with boundary lying on a \emph{real} Lagrangian submanifold, i.e., the fixed point set of an anti-symplectic involutions…

Symplectic Geometry · Mathematics 2017-02-15 Kenji Fukaya , Yong-Geun Oh , Hiroshi Ohta , Kaoru Ono

The main purpose of this paper is to provide a description of the fundamental group of a symplectic manifold in terms of Floer theoretic objects. As an application, we show that when counted with a suitable notion of multiplicity, non…

Symplectic Geometry · Mathematics 2019-01-15 Jean-Francois Barraud

We prove that the Fukaya-Seidel categories of a certain family of singularities on $\mathbb{C}^d$ are equivalent to the perfect derived categories of higher Auslander algebras of Dynkin type A. We relate these to the Fukaya-Seidel…

Symplectic Geometry · Mathematics 2026-02-26 Ilaria Di Dedda

For a triangulated category A with a 2-periodic dg-enhancement and a triangulated oriented marked surface S we introduce a dg-category F(S,A) parametrizing systems of exact triangles in A labelled by triangles of S. Our main result is that…

Algebraic Geometry · Mathematics 2021-06-01 Tobias Dyckerhoff , Mikhail Kapranov

This paper studies the self-Floer theory of a monotone Lagrangian submanifold $L$ of a symplectic manifold $X$ in the presence of various kinds of symmetry. First we suppose $L$ is $K$-homogeneous and compute the image of low codimension…

Symplectic Geometry · Mathematics 2019-04-15 Jack Smith

Motivated by the path integral analysis of boundary conditions in a 3-dimensional topological sigma-model, we suggest a definition of the 2-category associated with a holomorphic symplectic manifold X and study its properties. The simplest…

Algebraic Geometry · Mathematics 2009-09-22 Anton Kapustin , Lev Rozansky

A sequel to arXiv:1111.1460, this paper elaborates on some of the themes in the above paper. Connections to Symplectic Field Theory (SFT) and mirror symmetry are explored.

Mathematical Physics · Physics 2013-09-02 Daniel Pomerleano

We define a class of symplectic fibrations called symplectic configurations. They are natural generalization of Hamiltonian fibrations. Their geometric and topological properties are investigated. We are mainly concentrated on integral…

Symplectic Geometry · Mathematics 2010-05-13 Swiat Gal , Jarek Kedra

We study semi--algebraic domains associated with symplectic tori and conjecturally identified with spaces of stability conditions on the Fukaya categories of these tori. Our motivation is to test which results from the theory of flat…

Symplectic Geometry · Mathematics 2020-09-08 Fabian Haiden