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Related papers: On the obstructed Lagrangian Floer theory

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In part I, using the theory of $\infty$-categories, we constructed a natural ``continuous action'' of $\operatorname {Ham} (M, \omega) $ on the Fukaya category of a closed monotone symplectic manifold. Here we show that this action is…

Symplectic Geometry · Mathematics 2023-02-06 Yasha Savelyev

We introduce a notion of vanishing Maslov index for lagrangian varifolds and lagrangian integral cycles in a Calabi-Yau manifold. We construct mass-decreasing flows of lagrangian varifolds and lagrangian cycles which satisfy this condition.…

Differential Geometry · Mathematics 2016-09-16 Andrew A. Cooper , Jon Wolfson

This paper proposes a framework to show that the Fukaya category of a symplectic manifold $X$ determines the open Gromov-Witten invariants of Lagrangians $L \subset X$. We associate to an object in an $A_\infty$-category an extension of the…

Symplectic Geometry · Mathematics 2024-02-29 Kai Hugtenburg

In this paper, we extend Rabinowitz Floer homology theory which has been established and extensively studied for hypersurfaces to coisotropic submanifolds of higher codimension. With this generalized version of Rabinowitz Floer homology…

Symplectic Geometry · Mathematics 2013-11-28 Jungsoo Kang

We show that for a given Nakayama algebra $\Theta$, there exist countably many cyclic Nakayama algebras $\Lambda_i$, where $i \in \mathbb{N}$, such that the syzygy filtered algebra of $\Lambda_i$ is isomorphic to $\Theta$ and we describe…

Representation Theory · Mathematics 2024-06-04 Emre Sen , Gordana Todorov , Shijie Zhu

This paper continues the development of the deformation theory of abelian categories introduced in a previous paper by the authors. We show first that the deformation theory of abelian categories is controlled by an obstruction theory in…

K-Theory and Homology · Mathematics 2007-05-23 W. T. Lowen , M. Van den Bergh

Given a Lagrangian submanifold $L$ in a symplectic manifold $X$, the homological Lagrangian monodromy group $\mathcal{H}_L$ describes how Hamiltonian diffeomorphisms of $X$ preserving $L$ setwise act on $H_*(L)$. We begin a systematic study…

Symplectic Geometry · Mathematics 2024-05-09 Marcin Augustynowicz , Jack Smith , Jakub Wornbard

Using the bulk-deformation of Floer cohomology by Schubert cycles and non-Archimedean analysis of Fukaya--Oh--Ohta--Ono's bulk-deformed potential function, we prove that every complete flag manifold $\mathrm{Fl}(n)$ ($n \geq 3$) with a…

Symplectic Geometry · Mathematics 2019-11-12 Yunhyung Cho , Yoosik Kim , Yong-Geun Oh

We associate an invariant called the completed Tate cohomology to a filtered circle-equivariant spectrum and a complex oriented cohomology theory. We show that when the filtered spectrum is the spectral symplectic cohomology of a Liouville…

Symplectic Geometry · Mathematics 2025-10-10 Laurent Côté , Yusuf Barış Kartal

Motivated by the study of Nishinou-Nohara-Ueda on the Floer thoery of Gelfand-Cetlin systems over complex partial flag manifolds, we provide a complete description of the topology of Gelfand-Cetlin fibers. We prove that all fibers are…

Symplectic Geometry · Mathematics 2018-01-24 Yunhyung Cho , Yoosik Kim , Yong-Geun Oh

We study the cohomology of Lie superalgebras for the full complex of forms: superforms, pseudoforms and integral forms. We use the technique of spectral sequences to abstractly compute the Chevalley-Eilenberg cohomology. We first focus on…

High Energy Physics - Theory · Physics 2021-06-25 C. A. Cremonini , P. A. Grassi

We prove a degenerate homological Arnol'd conjecture on Lagrangian intersections beyond the case studied by A. Floer and H. Hofer via a new version of Lagrangian Ljusternik--Schnirelman theory. We introduce the notion of (Lagrangian)…

Symplectic Geometry · Mathematics 2024-09-16 Wenmin Gong

This is an expository article on the A-side of Kontsevich's Homological Mirror Symmetry conjecture. We give first a self-contained study of $A_\infty$-categories and their homological algebra, and later restrict to Fukaya categories, with…

Symplectic Geometry · Mathematics 2023-06-23 Alessandro Imparato

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

In this paper we prove another pairing theorem for bordered Floer homology. Unlike the original pairing theorem, this one is stated in terms of homomorphisms, not tensor products. The present formulation is closer in spirit to the usual…

Geometric Topology · Mathematics 2016-03-29 Robert Lipshitz , Peter S. Ozsváth , Dylan P. Thurston

This is a continuation of part I in the series of the papers on Lagrangian Floer theory on toric manifolds. Using the deformations of Floer cohomology by the ambient cycles, which we call bulk deformations, we find a continuum of…

Symplectic Geometry · Mathematics 2011-03-08 Kenji Fukaya , Yong-Geun Oh , Hiroshi Ohta , Kaoru Ono

We explain why on certain five-manifolds, topological 5d $\mathcal{N} = 2$ gauge theory of Haydys-Witten twist with gauge group $G$, is dual to that of Geyer-M\"{u}lsch twist with gauge group $^LG$, where $G$ is a real, compact Lie group…

High Energy Physics - Theory · Physics 2026-03-27 Arif Er , Meng-Chwan Tan

This is the second part of an article in two parts, which builds the foundation of a Floer-theoretic invariant, I_F. (See math.DG/0111313 for part I). Having constructed I_F and outlined a proof of its invariance based on bifurcation…

Differential Geometry · Mathematics 2007-05-23 Yi-Jen Lee

We show: the Floer homology over the Novikov ring of (nonexact!) rational Lagrangians in an (nonexact!) integral symplectic manifold can be computed in terms of exact Lagrangians in an exact filling of the prequantization bundle. As a…

Symplectic Geometry · Mathematics 2026-02-12 Tatsuki Kuwagaki , Adrian Petr , Vivek Shende

In this paper we calculate the Lagrangian Floer homology $HF(L_0, L_1 : {\mathbb Z}_2)$ of a pair of real forms $(L_0,L_1)$ in a monotone Hermitian symmetric space $M$ of compact type in the case where $L_0$ is not necessarily congruent to…

Symplectic Geometry · Mathematics 2012-07-03 Hiroshi Iriyeh , Takashi Sakai , Hiroyuki Tasaki