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Related papers: Examples of Special Lagrangian Fibrations

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The main theme of this paper is the Thomas-Yau conjecture, primarily in the setting of exact, (quantitatively) almost calibrated, unobstructed Lagrangian branes inside Calabi-Yau Stein manifolds. In our interpretation, the conjecture is…

Symplectic Geometry · Mathematics 2022-03-04 Yang Li

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 study local, global and local-to-global properties of threefolds with certain singularities. We prove criteria for these threefolds to be rational homology manifolds and conditions for threefolds to satisfy rational Poincar\'e duality.…

Algebraic Geometry · Mathematics 2018-04-10 Antonella Grassi , Timo Weigand , with an Appendix by V. Srinivas

We study deformations of certain crepant resolutions of isolated rational Gorenstein singularities. After a general discussion of the deformation theory, we specialize to dimension $3$ and consider examples which are good (log) resolutions…

Algebraic Geometry · Mathematics 2026-05-27 Robert Friedman , Radu Laza

A twin Lagrangian fibration, originally introduced by Yau and the first author, is roughly a geometric structure consisting of two Lagrangian fibrations whose fibers intersect with each other cleanly. In this paper, we show the existence of…

Symplectic Geometry · Mathematics 2018-09-26 Naichung Conan Leung , Yin Li

We realize higher-form symmetries in F-theory compactifications on non-compact elliptically fibered Calabi-Yau manifolds. Central to this endeavour is the topology of the boundary of the non-compact elliptic fibration, as well as the…

High Energy Physics - Theory · Physics 2022-08-24 Max Hubner , David R. Morrison , Sakura Schafer-Nameki , Yi-Nan Wang

We investigate mirror symmetry for toric Calabi-Yau manifolds from the perspective of the SYZ conjecture. Starting with a non-toric special Lagrangian torus fibration on a toric Calabi-Yau manifold $X$, we construct a complex manifold…

Symplectic Geometry · Mathematics 2017-05-19 Kwokwai Chan , Siu-Cheong Lau , Naichung Conan Leung

The most impressively prolific exploration of superstring models (aiming for our physical reality) has been focused on worldsheet-supersymmetric gauged linear sigma models and the closely associated complex-algebraic toric geometry. Mirror…

High Energy Physics - Theory · Physics 2026-05-11 Tristan Hübsch

This paper is a continuation of our paper math.AG/0205321 where we have built a combinatorial model for the torus fibrations of Calabi-Yau toric hypersurfaces. This part addresses the connection between the model torus fibration and the…

Algebraic Geometry · Mathematics 2007-05-23 Christian Haase , Ilia Zharkov

This is the second in a series of five papers math.DG/0211294, math.DG/0302355, math.DG/0302356, math.DG/0303272 studying special Lagrangian submanifolds (SL m-folds) X in (almost) Calabi-Yau m-folds M with singularities x_1,...,x_n locally…

Differential Geometry · Mathematics 2016-09-07 Dominic Joyce

For the sake of hyperk{\"a}hler SYZ conjecture, finding holomorphic Lagrangian fibrations becomes an important issue. Toric hyperk{\"a}hler manifolds are real dimension $4n$ non-compact hyperk{\"a}hler manifolds which are quaternion analog…

Differential Geometry · Mathematics 2011-10-04 Craig van Coevering , Wei Zhang

R.C.McLean showed that the moduli space of nearby submanifolds of a smooth, compact, orientable special Lagrangian submanifold L in a Calabi-Yau manifold X is a smooth manifold and its tangent space at L is identified with the space of…

Differential Geometry · Mathematics 2007-05-23 Sema Salur

Ideas of Fukaya and Kontsevich-Soibelman suggest that one can use Strominger-Yau-Zaslow's geometric approach to mirror symmetry as a torus duality to construct the mirror of a symplectic manifold equipped with a Lagrangian torus fibration…

Symplectic Geometry · Mathematics 2014-04-11 Mohammed Abouzaid

Let X be a smooth elliptic fibration over a smooth base B. Under mild assumptions, we establish a Fourier-Mukai equivalence between the derived categories of two objects, each of which is an O^* gerbe over a genus one fibration which is a…

Algebraic Geometry · Mathematics 2007-05-23 Ron Donagi , Tony Pantev

We introduce the notion of a local torus action modeled on the standard representation (for simplicity, we call it a local torus action). It is a generalization of a locally standard torus action and also an underlying structure of a…

Geometric Topology · Mathematics 2011-06-03 Takahiko Yoshida

We study the mod $2$ cohomology of real Calabi-Yau threefolds given by real structures which preserve the torus fibrations constructed by Gross. We extend the results of Casta\~no-Bernard-Matessi and Arguz-Prince to the case of real…

Algebraic Geometry · Mathematics 2024-02-21 Diego Matessi

For a local Calabi-Yau manifold which is a smoothing of toric Gorenstein singularity, this paper computes the open Gromov-Witten invariants of a generic fiber of the special Lagrangian fibration constructed by Gross and thereby constructs…

Algebraic Geometry · Mathematics 2017-05-17 Siu-Cheong Lau

This is the second in a series of papers constructing explicit examples of special Lagrangian submanifolds in C^m. The first paper was math.DG/0008021, which studied special Lagrangian m-folds with large symmetry groups. The third is…

Differential Geometry · Mathematics 2007-05-23 Dominic Joyce

We revisit the study of $G_2$-structures with special torsion, and isolated singularities. Many of the known examples with conical singularities admit additional symmetries, and we describe circle-invariant $G_2$-structures in this context.…

Differential Geometry · Mathematics 2026-03-20 Henrique Sá Earp , Jakob Stein

Let $(X,\check{X})$ be a mirror pair of a complex torus $X$ and its mirror partner $\check{X}$. This mirror pair is described as the trivial special Lagrangian torus fibrations $X\rightarrow B$ and $\check{X}\rightarrow B$ on the same base…

Differential Geometry · Mathematics 2023-03-01 Kazushi Kobayashi
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