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In this paper we consider the oscillatory integrals on Lefschetz thimbles in the Landau-Ginzburg model as the mirror of a toric Fano manifold. We show these thimbles represent the same relative homology classes as the characteristic cycles…

Symplectic Geometry · Mathematics 2019-03-14 Bohan Fang , Peng Zhou

Let $\mathcal X=[(\mathbb C^r\setminus Z)/G]$ be a toric Fano orbifold. We compute the Fourier transform of the $G$-equivariant quantum cohomology central charge of any $G$-equivariant line bundle on $\mathbb C^r$ with respect to certain…

Algebraic Geometry · Mathematics 2025-10-31 Konstantin Aleshkin , Bohan Fang , Junxiao Wang

The mirror dual of a smooth toric Fano surface $X$ equipped with an anticanonical divisor $E$ is a Landau-Ginzburg model with superpotential, W. Carl-Pumperla-Siebert give a definition of the the superpotential in terms of tropical disks…

Algebraic Geometry · Mathematics 2024-02-20 Tim Gräfnitz , Helge Ruddat , Eric Zaslow

We develop a $G$-equivariant Lagrangian Floer theory and obtain a curved $A_\infty$ algebra, and in particular a $G$-equivariant disc potential. We construct a Morse model, which counts pearly trees in the Borel construction $L_G$. When…

Symplectic Geometry · Mathematics 2025-04-17 Yoosik Kim , Siu-Cheong Lau , Xiao Zheng

In this paper, we apply the idea of T-duality to projective spaces. From a connection on a line bundle on $\mathbb P^n$, a Lagrangian in the mirror Landau-Ginzburg model is constructed. Under this correspondence, the full strong exceptional…

Symplectic Geometry · Mathematics 2008-10-29 Bohan Fang

In this paper, we prove the mirror symmetry conjecture between the Saito-Givental theory of exceptional unimodular singularities on Landau-Ginzburg B-side and the Fan-Jarvis-Ruan-Witten theory of their mirror partners on Landau-Ginzburg…

Algebraic Geometry · Mathematics 2014-12-19 Changzheng Li , Si Li , Kyoji Saito , Yefeng Shen

We show that the Lie potential on the minimal semisimple adjoint orbit $\mathcal{O}_n$ of $\mathfrak{sl}(n+1,\mathbb{C})$ coincides with toric potential on $T^*\mathbb P^{n}$. We then study the corresponding Landau-Ginzburg models in…

Algebraic Geometry · Mathematics 2024-01-09 Bruno Suzuki

We calculate the category of branes in the Landau-Ginzburg A-model with background $M=\mathbb C^n$ and superpotential $W=z_1 \cdots z_n$ in the form of microlocal sheaves along a natural Lagrangian skeleton. Our arguments employ the…

Symplectic Geometry · Mathematics 2019-01-09 David Nadler

This paper proves a version of mirror symmetry expressing the (small) Dubrovin connection for even-dimensional quadrics in terms of a mirror-dual Landau-Ginzburg model (Xcan,W). Here Xcan is the complement of an anticanonical divisor in a…

Algebraic Geometry · Mathematics 2014-09-30 Clélia Pech , Konstanze Rietsch , Lauren Williams

We study the equivariant disc potentials for immersed SYZ fibers in toric Calabi-Yau manifolds. The immersed Lagrangians play a crucial role in the partial compactification of the SYZ mirrors. Morever, their equivariant disc potentials have…

Symplectic Geometry · Mathematics 2020-04-17 Hansol Hong , Yoosik Kim , Siu-Cheong Lau , Xiao Zheng

We prove that for a compact toric manifold whose anti-canonical divisor is numerically effective, the Lagrangian Floer superpotential defined by Fukaya-Oh-Ohto-Ono is equal to the superpotential written down by using the toric mirror map…

Symplectic Geometry · Mathematics 2020-11-13 Kwokwai Chan , Siu-Cheong Lau , Naichung Conan Leung , Hsian-Hua Tseng

In this article, we provide a comprehensive characterization of invariants of classical Lie superalgebras from the super-analog of the Schur-Weyl duality in a unified way. We establish $\mathfrak{g}$-invariants of the tensor algebra…

Representation Theory · Mathematics 2024-11-27 Yang Luo , Yongjie Wang

We describe the tropical curves in toric varieties and define the tropical Gromov-Witten invariants. We introduce amplitudes for the higher topological quantum mechanics (HTQM) on special trees and show that the amplitudes are equal to the…

High Energy Physics - Theory · Physics 2024-08-06 Andrey Losev , Vyacheslav Lysov

Building on Seidel-Solomon's fundamental work, we define the notion of a $\mathfrak{g}$-equivariant Lagrangian brane in an exact symplectic manifold $M$ where $\mathfrak{g} \subset SH^1(M)$ is a sub-Lie algebra of the symplectic cohomology…

Symplectic Geometry · Mathematics 2019-02-20 Yanki Lekili , James Pascaleff

For an in invertible quasihomogeneous singularity $w$ we prove an all-genus mirror theorem establishing an isomorphism between two cohomological field theories. On the $B$-side it is the Saito-Givental theory given by a certain choice of a…

Algebraic Geometry · Mathematics 2022-08-02 Weiqiang He , Alexander Polishchuk , Yefeng Shen , Arkady Vaintrob

We present some mathematical aspects of Landau-Ginzburg string vacua in terms of toric geometry. The one-to-one correspondence between toric divisors and some of (-1,1) states in Landau-Ginzburg model is presented for superpotentials of…

High Energy Physics - Theory · Physics 2010-12-03 Hitoshi Sato

Mirror symmetry gives predictions for the genus zero Gromov-Witten invariants of a closed Calabi--Yau variety in terms of period integrals on a mirror family of Calabi-Yau varieties. We deduce an analogous mirror theorem for the open…

Symplectic Geometry · Mathematics 2024-12-03 Sebastian Haney

The central fiber of a Gross-Siebert type toric degeneration is known to satisfy homological mirror symmetry: its category of coherent sheaves is equivalent to the wrapped Fukaya category of a certain exact symplectic manifold. Here we show…

Symplectic Geometry · Mathematics 2024-09-13 Vivek Shende

We consider matrix factorizations and homological mirror symmetry on the torus T^2 using a Landau-Ginzburg description. We identify the basic matrix factorizations of the Landau-Ginzburg superpotential and compute the full spectrum, taking…

High Energy Physics - Theory · Physics 2009-11-13 Johanna Knapp , Harun Omer

We suggest an interpretation of mirror symmetry for toric varieties via an equivalence of two conformal field theories. The first theory is the twisted sigma model of a toric variety in the infinite volume limit (the A-model). The second…

High Energy Physics - Theory · Physics 2014-11-18 Edward Frenkel , Andrei Losev
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