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Related papers: Lagrangian fibrations

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We introduce the notion of a Hyper-K\"{a}hler manifold $X$ induced by a Hodge structure of K3-type. We explore this notion for the known deformation types of hyper-K\"{a}hler manifolds studying those that are induced by a K3 or abelian…

Algebraic Geometry · Mathematics 2023-08-25 Benedetta Piroddi , Ángel David Ríos Ortiz

We show that if $f:X\to B$ is a Lagrangian fibration from a compact connected K\"ahler hyperk\"ahler manifold $X$ onto a projective normal variety $B$, then $f$ is locally projective. This answers a question raised by L. Kamenova and…

Algebraic Geometry · Mathematics 2017-12-15 Frederic Campana

Lagrangian fibrations of hyperk\"ahler manifolds are induced by semi-ample line bundles which are isotropic with respect to the Beauville-Bogomolov-Fujiki form. For a non-isotrivial family of hyperk\"ahler manifolds over a complex manifold…

Algebraic Geometry · Mathematics 2026-01-26 Yajnaseni Dutta , Elham Izadi , Ljudmila Kamenova , Lisa Marquand

Latent fibrations are an adaptation, appropriate for categories of partial maps (as presented by restriction categories), of the usual notion of fibration. The paper initiates the development of the basic theory of latent fibrations and…

Category Theory · Mathematics 2020-10-30 Robin Cockett , Geoff Cruttwell , Jonathan Gallagher , Dorette Pronk

Given a holomorphic Lagrangian fibration of a compact hyperkahler manifold, we use the differential geometry of the special Kahler metric that exists on the base away from the discriminant locus, and show that the pullback of the tangent…

Algebraic Geometry · Mathematics 2024-06-14 Yang Li , Valentino Tosatti

This paper completes the classification of regular Lagrangian fibratiopns over compact surfaces. \cite{misha} classifies regular Lagrangian fibrations over $\mathbb{T}^2$. The main theorem in \cite{hirsch} is used in order to classify…

Symplectic Geometry · Mathematics 2010-01-05 D. Sepe

In the first part of this paper we begin the study of polysymplectic manifolds, and of their relationship with PDE's. This notion provides a generalization of symplectic manifolds which is very well suited for the geometric study of PDE's…

Differential Geometry · Mathematics 2007-05-23 Michele Grassi

In this paper, we prove some differentiable sphere theorems and topological sphere theorems for Lagrangian submanifolds in K\"ahler manifold and Legendrian submanifolds in Sasaki space form.

Differential Geometry · Mathematics 2018-10-24 Jun Sun , Linlin Sun

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 explore a number of examples of special Lagrangian fibrations on non-compact Calabi-Yau manifolds invariant under torus actions. These include fibrations on crepant resolutions of canonical toric singularities (already found by…

Algebraic Geometry · Mathematics 2007-05-23 Mark Gross

Let $X$ be a hyperk\"ahler variety admitting a Lagrangian fibration. Beauville's "splitting property" conjecture predicts that fibres of the Lagrangian fibration should have a particular behaviour in the Chow ring of $X$. We study this…

Algebraic Geometry · Mathematics 2021-05-17 Robert Laterveer

We prove a weak version of a conjecture of Matsushita saying that for a Lagrangian fibration on a hyper-Kaehler manifold $X$, the moduli map for the fibers is either generically of maximal rank or constant. Assuming the base is smooth and…

Algebraic Geometry · Mathematics 2022-02-15 Bert van Geemen , Claire Voisin

In this paper we give a construction of Lagrangian torus fibration for Fermat type quintic \cy hypersurfaces via the method of gradient flow. We also compute the monodromy of the expected special Lagrangian torus fibration and discuss…

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

We introduce the notion of (graded) anchored Lagrangian submanifolds and use it to study the filtration of Floer' s chain complex. We then obtain an anchored version of Lagrangian Floer homology and its (higher) product structures. They are…

Symplectic Geometry · Mathematics 2009-07-14 Kenji Fukaya , Yong-Geun Oh , Hiroshi Ohta , Kaoru Ono

We prove that every irreducible component of a fibre of a complex Lagrangian fibration is Lagrangian subvariety. Especially, complex Lagrangian fibations are equidimensional.

Algebraic Geometry · Mathematics 2016-09-07 Daisuke Matsushita

The starting point of this note is our recent paper with Laza and Sacc\`a on the construction of deformations of O'Grady's $10$-dimensional manifolds as compactifications of intermediate Jacobian fibrations associated to cubic fourfolds.…

Algebraic Geometry · Mathematics 2016-11-29 Claire Voisin

We continue the study of the Strominger-Yau-Zaslow mirror symmetry conjecture. Roughly put, this states that if two Calabi-Yau manifolds X and Y are mirror partners, then X and Y have special Lagrangian torus fibrations which are dual to…

Algebraic Geometry · Mathematics 2007-05-23 Mark Gross

We explicitly construct special Lagrangian fibrations on finite quotients of maximally degenerating abelian varieties, glue with Berkovich retraction in non-Archimedean geometry by using "hybrid" technique. We also study their symmetries…

Algebraic Geometry · Mathematics 2022-12-12 Keita Goto , Yuji Odaka

We introduce a general technique to construct Lagrangian torus fibrations in degenerations of K\"ahler manifolds. We show that such torus fibrations naturally occur at the boundary of the A'Campo space. This space extends a degeneration…

Algebraic Geometry · Mathematics 2024-06-21 Javier Fernández de Bobadilla , Tomasz Pełka

In 1996, Strominger, Yau and Zaslow made a conjecture about the geometric relationship between two mirror Calabi-Yau manifolds. Roughly put, if X and Y are a mirror pair of such manifolds, then X should possess a special Lagrangian torus…

alg-geom · Mathematics 2007-05-23 Mark Gross