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We discuss how the Gross-Siebert reconstruction theorem applies to the local mirror symmetry of Chiang, Klemm, Yau and Zaslow. The reconstruction theorem associates to certain combinatorial data a degeneration of (log) Calabi-Yau varieties.…

Algebraic Geometry · Mathematics 2014-04-15 Mark Gross , Bernd Siebert

In this paper we give a construction of Lagrangian torus fibration for Calabi-Yau hypersurface in toric variety via the method of gradient flow. Using our construction of Lagrangian torus fibration, we are able to prove the symplectic…

Differential Geometry · Mathematics 2007-05-23 Wei-Dong Ruan

We propose a construction of string cohomology spaces for Calabi-Yau hypersurfaces that arise in Batyrev's mirror symmetry construction. The spaces are defined explicitly in terms of the corresponding reflexive polyhedra in a…

Algebraic Geometry · Mathematics 2007-05-23 Lev A. Borisov , Anvar R. Mavlyutov

For all punctured Riemann surfaces arising as mirror curves of toric Calabi--Yau threefolds, we show that their symplectic cohomology is isomorphic to the compactly supported Hochschild cohomology of the noncommutative Landau--Ginzburg…

Symplectic Geometry · Mathematics 2025-11-11 Dahye Cho , Hansol Hong , Hyeongjun Jin , Sangwook Lee

Batyrev (et. al.) constructed a family of Calabi-Yau varieties using small toric degenerations of the full flag variety G/B. They conjecture this family to be mirror to generic anti-canonical hypersurfaces in G/B. Recently Alexeev and…

Algebraic Geometry · Mathematics 2007-05-23 Joe Rusinko

Complex Ricci-flat (i.e., Calabi-Yau) hypersurfaces in spaces admitting a maximal (toric) $U(1)^n$ gauge symmetry of general type (encoded by certain non-convex and multi-layered multitopes) may degenerate, but can be smoothed by rational…

High Energy Physics - Theory · Physics 2025-01-22 Tristan Hübsch

This paper expands on a remark in the paper "Mirror Symmetry for Log Calabi-Yau Surfaces I" of the first three authors of this paper, explaining fully how various constructions of the authors apply to give the mirror to the cubic surface.…

Algebraic Geometry · Mathematics 2019-10-21 Mark Gross , Paul Hacking , Sean Keel , Bernd Siebert

We prove that every irreducible component of the coarse Koll\'ar-Shepherd-Barron and Alexeev (KSBA) moduli space of stable log Calabi--Yau surfaces admits a finite cover by a projective toric variety. This verifies a conjecture of…

Algebraic Geometry · Mathematics 2025-09-25 Valery Alexeev , Hülya Argüz , Pierrick Bousseau

We construct the mirror algebra to a smooth affine log Calabi-Yau variety with maximal boundary, as the spectrum of a commutative associative algebra with a canonical basis, whose structure constants are given as naive counts of…

Algebraic Geometry · Mathematics 2024-11-07 Sean Keel , Tony Yue YU

Mirrors $X^{\vee}$ of quasi-smooth Calabi-Yau hypersurfaces $X$ in weighted projective spaces ${\Bbb P}(w_0, \ldots, w_d)$ can be obtained as Calabi-Yau compactifications of non-degenerate affine toric hypersurfaces defined by Laurent…

Algebraic Geometry · Mathematics 2020-06-30 Victor V. Batyrev

In this paper, we study the structure of the quantum cohomology ring of a projective hypersurface with non-positive 1st Chern class. We prove a theorem which suggests that the mirror transformation of the quantum cohomology of a projective…

High Energy Physics - Theory · Physics 2014-11-18 M. Jinzenji

Mirror Symmetry, Picard-Fuchs equations and instanton corrected Yukawa couplings are discussed within the framework of toric geometry. It allows to establish mirror symmetry of Calabi-Yau spaces for which the mirror manifold had been…

High Energy Physics - Theory · Physics 2010-11-01 S. Hosono , A. Klemm , S. Theisen , S. -T. Yau

A Calabi-Yau threefold is called of type K if it admits an \'etale Galois covering by the product of a K3 surface and an elliptic curve. In our previous paper, based on Oguiso-Sakurai's fundamental work, we provide the full classification…

Algebraic Geometry · Mathematics 2016-06-22 Kenji Hashimoto , Atsushi Kanazawa

In this paper, we compute the integral cohomology groups for all examples of Calabi-Yau 3-folds obtained from hypersurfaces in 4-dimensional Gorenstein toric Fano varieties. Among 473 800 776 families of Calabi-Yau 3-folds $X$ corresponding…

Algebraic Geometry · Mathematics 2007-05-23 Victor Batyrev , Maximilian Kreuzer

When studying mirror symmetry in the context of K3 surfaces, the hyperkaehler structure of K3 makes the notion of exchanging Kaehler and complex moduli ambiguous. On the other hand, the metric is not renormalized due to the higher amount of…

High Energy Physics - Theory · Physics 2007-05-23 Falk Rohsiepe

We give an expository discussion of recent work using Berglund-Huebsch-Krawitz mirror symmetry to describe the structure of point counts on algebraic varieties over finite fields.

Number Theory · Mathematics 2020-05-22 Ursula Whitcher

We survey mirror symmetry of Calabi-Yau manifolds from the perspective of families of Calabi-Yau manifolds and their period integrals. Special emphasis is laid on distinguished properties of the hypergeometric series of Gel'fand, Kapranov,…

Algebraic Geometry · Mathematics 2025-09-25 Shinobu Hosono

We consider a class of special Lagrangian subspaces of Calabi-Yau manifolds and identify their mirrors, using the recent derivation of mirror symmetry, as certain holomorphic varieties of the mirror geometry. This transforms the counting of…

High Energy Physics - Theory · Physics 2007-05-23 Mina Aganagic , Cumrun Vafa

In this paper we summarize our recent work in the construction of Lagrangian torus fibrations for Calabi-Yau hypersurfaces in toric varieties and the symplectic Strominger-Yau-Zaslow conjecture, together with some new development. It is…

Differential Geometry · Mathematics 2007-05-23 Wei-Dong Ruan

We use toric geometry to study open string mirror symmetry on compact Calabi-Yau manifolds. For a mirror pair of toric branes on a mirror pair of toric hypersurfaces we derive a canonical hypergeometric system of differential equations,…

High Energy Physics - Theory · Physics 2009-10-02 M. Alim , M. Hecht , P. Mayr , A. Mertens