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We use quilted Floer theory to generalize Seidel's long exact sequence in symplectic Floer theory to fibered Dehn twists. We then apply it to construct versions of the Floer and Khovanov-Rozansky exact triangles in Lagrangian Floer theory…

Symplectic Geometry · Mathematics 2019-03-06 Katrin Wehrheim , Chris Woodward

Using the recent results of Siebert and Tian about the holomorphicity of genus 2 Lefschetz fibrations with irreducible singular fibers, we show that any genus 2 Lefschetz fibration becomes holomorphic after fiber sum with a holomorphic…

Geometric Topology · Mathematics 2007-05-23 Denis Auroux

We consider C^*-actions on Fukaya categories of exact symplectic manifolds. Such actions can be constructed by dimensional induction, going from the fibre of a Lefschetz fibration to its total space. We explore applications to the topology…

Symplectic Geometry · Mathematics 2017-05-17 Paul Seidel

We prove that every spherical object in the derived Fukaya category of a closed surface of genus at least two whose Chern character represents a non-zero Hochschild homology class is quasi-isomorphic to a simple closed curve equipped with a…

Symplectic Geometry · Mathematics 2021-02-02 Denis Auroux , Ivan Smith

In this article, we characterize isomorphism classes of Lefschetz fibrations with multisections via their monodromy factorizations. We prove that two Lefschetz fibrations with multisections are isomorphic if and only if their monodromy…

Geometric Topology · Mathematics 2015-07-21 R. Inanc Baykur , Kenta Hayano

We use Lagrangian torus fibrations on the mirror $X$ of a toric Calabi-Yau threefold $\check X$ to construct Lagrangian sections and various Lagrangian spheres on $X$. We then propose an explicit correspondence between the sections and line…

Symplectic Geometry · Mathematics 2023-02-13 Mark Gross , Diego Matessi

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

Integral symplectic 4-manifolds may be described in terms of Lefschetz fibrations. In this note we give a formula for the signature of any Lefschetz fibration in terms of the second cohomology of the moduli space of stable curves. As a…

Symplectic Geometry · Mathematics 2014-11-11 Ivan Smith

We show that Lurie's results on Tannaka duality for geometric stacks hold without any tameness hypotheses. We deduce this as a consequence of an affineness theorem in the theory of sheaves of categories. This affineness result is also…

Algebraic Geometry · Mathematics 2023-11-09 Germán Stefanich

We prove that a Lefschetz fibration over the disc that, after compactification, has the same singular fibers as an extremal rational elliptic surface can be obtained by deleting a singular fiber and a section from the rational extremal…

Geometric Topology · Mathematics 2018-12-18 A. A. Kazhymurat

We realise Stroppel's extended arc algebra in the Fukaya-Seidel category of a natural Lefschetz fibration on the generic fiber of the adjoint quotient map on a type $A$ nilpotent slice with two Jordan blocks, and hence obtain a symplectic…

Symplectic Geometry · Mathematics 2020-03-12 Cheuk Yu Mak , Ivan Smith

This paper gives a new way of constructing Landau-Ginzburg mirrors using deformation theory of Lagrangian immersions motivated by the works of Seidel, Strominger-Yau-Zaslow and Fukaya-Oh-Ohta-Ono. Moreover we construct a canonical functor…

Symplectic Geometry · Mathematics 2015-03-17 Cheol-Hyun Cho , Hansol Hong , Siu-Cheong Lau

Family Floer theory yields a functor from the Fukaya category of a symplectic manifold admitting a Lagrangian torus fibration to a (twisted) category of perfect complexes on the mirror rigid analytic space. This functor is shown to be…

Symplectic Geometry · Mathematics 2016-07-12 Mohammed Abouzaid

Fix a suitably convex, exact symplectic manifold M. We consider the stable oo-category Lag(M) of non-compact Lagrangians whose (higher) morphisms are (higher) Lagrangian cobordisms between them. We show that this oo-category pairs with the…

Symplectic Geometry · Mathematics 2016-07-19 Hiro Lee Tanaka

To a conical symplectic resolution with Hamiltonian torus action, Braden--Proudfoot--Licata--Webster associate a category O, defined using deformation quantization (DQ) modules. It has long been expected, though not stated precisely in the…

Symplectic Geometry · Mathematics 2024-07-03 Laurent Côté , Benjamin Gammage , Justin Hilburn

This is the first of a series of two articles aiming at relating the compact Fukaya category of a Weinstein manifold to the derived category of finite dimensional representations of the Chekanov-Eliashberg differential graded algebra of the…

Symplectic Geometry · Mathematics 2025-08-29 Baptiste Chantraine , Georgios Dimitroglou Rizell , Paolo Ghiggini

We consider the family of constant curvature fiber metrics for a Lefschetz fibration with regular fibers of genus greater than one. A result of Obitsu and Wolpert is refined by showing that on an appropriate resolution of the total space,…

Differential Geometry · Mathematics 2018-06-01 Richard Melrose , Xuwen Zhu

For any suitable base category $\mathcal{V} $, we find that $\mathcal{V} $-fully faithful lax epimorphisms in $\mathcal{V} $-$\mathsf{Cat} $ are precisely those $\mathcal{V}$-functors $F \colon \mathcal{A} \to \mathcal{B}$ whose induced…

Category Theory · Mathematics 2023-11-13 Fernando Lucatelli Nunes , Rui Prezado , Lurdes Sousa

We introduce the notion of a tropical coamoeba which gives a combinatorial description of the Fukaya category of the mirror of a toric Fano stack. We show that the polyhedral decomposition of a real n-torus into (n + 1) permutohedra gives a…

Symplectic Geometry · Mathematics 2014-07-15 Masahiro Futaki , Kazushi Ueda

For more than two decades it has been known that any compact Stein surface (of real dimension four) admits a compatible Lefschetz fibration over a two-disk. More recently, Giroux and Pardon have generalized this result by giving a complex…

Geometric Topology · Mathematics 2024-08-21 Yasemin Yildirim , M. Firat Arikan
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