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Related papers: Equivariant Fukaya categories at singular values

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We prove Homological Mirror Symmetry for a smooth d-dimensional Calabi-Yau hypersurface in projective space, for any d > 2 (for example, d = 3 is the quintic three-fold). The main techniques involved in the proof are: the construction of an…

Symplectic Geometry · Mathematics 2016-12-06 Nicholas Sheridan

We study several notions of dimension for (pre-)triangulated categories naturally arising from topology and symplectic geometry. We prove new bounds on these dimensions and raise several questions for further investigation. For instance, we…

Symplectic Geometry · Mathematics 2025-10-17 Andrew Hanlon , Jeff Hicks , Oleg Lazarev

We describe an isomorphism of categories conjectured by Kontsevich. If $M$ and $\widetilde{M}$ are mirror pairs then the conjectural equivalence is between the derived category of coherent sheaves on $M$ and a suitable version of Fukaya's…

Algebraic Geometry · Mathematics 2008-11-26 Alexander Polishchuk , Eric Zaslow

In this paper we use recollements to investigate partially wrapped Fukaya categories of surfaces with marked points. In particular, we show that cutting surfaces gives rise to recollements of the corresponding partially wrapped Fukaya…

Representation Theory · Mathematics 2023-04-04 Wen Chang , Haibo Jin , Sibylle Schroll

This paper is a companion to the authors' forthcoming work extending Heegaard Floer theory from closed 3-manifolds to compact 3-manifolds with two boundary components via quilted Floer cohomology. We describe the first interesting case of…

Symplectic Geometry · Mathematics 2016-07-13 Yanki Lekili , Timothy Perutz

We embed triangulated categories defined by quivers with potential arising from ideal triangulations of marked bordered surfaces into Fukaya categories of quasi-projective 3-folds associated to meromorphic quadratic differentials. Together…

Symplectic Geometry · Mathematics 2016-01-20 Ivan Smith

In the first part of the paper, we build a foundation for further work on Hamiltonian actions on symplectic orbifolds. Most importantly we prove the orbifold versions of the abelian connectedness and convexity theorems. In the second half,…

dg-ga · Mathematics 2008-02-03 Eugene Lerman , Susan Tolman

We show that the monotone Lagrangian torus fiber of the Gelfand-Cetlin integrable system on the complex Grassmannian $\operatorname{Gr}(k,n)$ supports generators for all maximum modulus summands in the spectral decomposition of the Fukaya…

Symplectic Geometry · Mathematics 2021-06-15 Marco Castronovo

We classify symplectic actions of 2-tori on compact, connected symplectic 4-manifolds, up to equivariant symplectomorphisms. This extends results of Atiyah, Guillemin-Sternberg, Delzant and Benoist. The classification is in terms of a…

Symplectic Geometry · Mathematics 2007-05-23 Alvaro Pelayo

Let $M$ be a symplectic toric manifold acted on by a torus $\mathbb{T}$. In this work we exhibit an explicit basis for the equivariant K-theory ring $\mathcal{K}_{\mathbb{T}}(M)$ which is canonically associated to a generic component of the…

Symplectic Geometry · Mathematics 2015-03-17 Milena Pabiniak , Silvia Sabatini

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 constructs and studies the Rabinowitz (wrapped) Fukaya category, a categorical invariant of exact cylindrical Lagrangians in a Liouville manifold whose cohomological morphisms, ``Rabinowitz wrapped Floer homology groups" measure…

Symplectic Geometry · Mathematics 2023-01-02 Sheel Ganatra , Yuan Gao , Sara Venkatesh

We discuss homological mirror symmetry of Fermat polynomials in terms of derived Morita equivalence between derived categories of coherent sheaves and Fukaya-Seidel categories (a.k.a. perfect derived categories of directed Fukaya…

Algebraic Geometry · Mathematics 2010-03-02 So Okada

To paraphrase, part I constructs a bundle of $A _{\infty}$ categories given the input of a Hamiltonian fibration over a smooth manifold. Here we show that this bundle is generally non-trivial by a sample computation. One principal…

Symplectic Geometry · Mathematics 2025-05-27 Yasha Savelyev

We give a conjectural algebraic description of the Fukaya category of a complexified hyperplane complement, using the algebras defined in arXiv:0905.1335 from the equivariant cohomology of toric varieties. We prove this conjecture for…

Geometric Topology · Mathematics 2024-04-05 Aaron D. Lauda , Anthony M. Licata , Andrew Manion

We apply the methods of C{\u{a}}ld{\u{a}}raru to construct a twisted Fourier-Mukai transform between a pair of holomorphic symplectic four-folds. More precisely, we obtain an equivalence between the derived category of coherent sheaves on a…

Algebraic Geometry · Mathematics 2009-04-03 Justin Sawon

We construct all possible Hamiltonian torus actions for which all the non-empty reduced spaces are two dimensional (and not single points) and the manifold is connected and compact, or, more generally, the moment map is proper as a map to a…

Symplectic Geometry · Mathematics 2014-11-11 Yael Karshon , Susan Tolman

This paper is an introduction to Homological Mirror Symmetry, derived categories, and topological D-branes aimed mainly at a mathematical audience. In the paper we explain the physicists' viewpoint of the Mirror Phenomenon, its relation to…

Algebraic Geometry · Mathematics 2015-06-26 Anton Kapustin , Dmitri Orlov

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

It is well known that "Fukaya category" is in fact an $A_{\infty}$-pre-category in sense of Kontsevich and Soibelman \cite{KS}. The reason is that in general the morphism spaces are defined only for transversal pairs of Lagrangians, and…

Category Theory · Mathematics 2025-02-07 Alexander I. Efimov