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We construct stable sheaves over K3 fibrations using a relative Fourier-Mukai transform which describes the sheaves in terms of spectral data similar to the construction for elliptic fibrations. On K3 fibered Calabi-Yau threefolds we show…

Algebraic Geometry · Mathematics 2008-11-25 Bjorn Andreas , Daniel Hernandez Ruiperez , Dario Sanchez Gomez

We show that fiberwise stable vector bundles are preserved by relative Fourier-Mukai transforms between elliptic threefolds with relative Picard number one. Using these bundles we define new invariants of elliptic fibrations, and we relate…

Algebraic Geometry · Mathematics 2007-05-23 Andrei Caldararu

We define a Fourier-Mukai transform for sheaves on K3 surfaces over $\C$, and show that it maps polystable bundles to polystable ones. The role of ``dual'' variety to the given K3 surface $X$ is here played by a suitable component $\hat X$…

alg-geom · Mathematics 2008-02-03 C. Bartocci , U. Bruzzo , D. Hernandez Ruiperez

We systematically develop Bridgeland's and Bridgeland-Maciocia's techniques for studying elliptic fibrations, and identify criteria that ensure 2-term complexes are mapped to torsion-free sheaves under a Fourier-Mukai transform. As an…

Algebraic Geometry · Mathematics 2014-01-20 Jason Lo

We characterize the subscheme of the moduli space of torsion-free sheaves on an elliptic surface which are stable of relative degree zeero (with respect to a polarization of type aH+bf, H being the section and f the elliptic fibre) which is…

Algebraic Geometry · Mathematics 2015-06-26 D. Hernandez Ruiperez , J. M. Munoz Porras

By using a Fourier-Mukai transform for sheaves on K3 surfaces we show that for a wide class of K3 surfaces $X$ the punctual Hilbert schemes $\Hilb^n(X)$ can be identified, for all $n\geq 1$, with moduli spaces of Gieseker stable vector…

alg-geom · Mathematics 2015-06-30 Ugo Bruzzo , Antony Maciocia

We consider elliptic fibrations with arbitrary base dimensions, and generalise previous work by the second author. In particular, we check universal closedness for the moduli of semistable objects with respect to a polynomial stability that…

Algebraic Geometry · Mathematics 2015-10-12 Wu-yen Chuang , Jason Lo

We describe the birational correspondences, induced by the Fourier-Mukai functor, between moduli spaces of semistable sheaves on elliptic surfaces with sections, using the notion of $P$-stability in the derived category. We give explicit…

Algebraic Geometry · Mathematics 2010-08-24 Marcello Bernardara , Georg Hein

We use twisted Fourier-Mukai transforms to study the relation between an abelian fibration on a holomorphic symplectic manifold and its dual fibration. Our reasoning leads to an equivalence between the derived category of coherent sheaves…

Algebraic Geometry · Mathematics 2009-04-03 Justin Sawon

We compute a large number of moduli spaces of stable bundles on a general algebraic elliptic surface using a new class of Fourier-Mukai type transforms.

alg-geom · Mathematics 2008-02-03 Tom Bridgeland

Given X a K3 surface, a mirror dual to X can be identified with a component of the moduli space of semistable sheaves on X. We consider fibrations by K3 surfaces over a one dimensional base that are Calabi-Yau and we obtain a dual fibration…

Algebraic Geometry · Mathematics 2011-01-18 Elena Andreini , Cristina Martinez , Andrey Todorov

We study semistable pairs on elliptic K3 surfaces with a section: we construct a family of moduli spaces of pairs, related by wall crossing phenomena, which can be studied to describe the birational correspondence between moduli spaces of…

Algebraic Geometry · Mathematics 2010-03-25 Marcello Bernardara

Given X a K3 surface, a mirror dual to X can be identified with a component of the moduli space of semistable sheaves on X. We consider fibrations by K3 surfaces over a one dimensional base that are Calabi-Yau and we charaterize the dual…

Algebraic Geometry · Mathematics 2013-03-08 Cristina Martínez Ramírez

We consider a relative Fourier-Mukai transform defined on elliptic fibrations over an arbitrary normal base scheme. This is used to construct relative Atiyah sheaves and generalize Atiyah's and Tu's results about semistable sheaves over…

Algebraic Geometry · Mathematics 2016-08-16 C. Bartocci , U. Bruzzo , D. Hernandez Ruiperez , J. M. Muñoz Porras

This paper studies the action of the Fourier-Mukai transform on moduli spaces of vertical torsion sheaves on elliptic Calabi-Yau threefolds in Weierstrass form. Moduli stacks of semistable one dimensional sheaves on such threefolds are…

Algebraic Geometry · Mathematics 2015-10-14 Duiliu-Emanuel Diaconescu

Fibrewise T-duality (Fourier-Mukai transform) for D-branes on an elliptic Calabi-Yau three-fold $X$ is seen to have an expected adiabatic form for its induced cohomology operation only when an appropriately twisted operation resp. twisted…

Algebraic Geometry · Mathematics 2007-05-23 Bjorn Andreas , Gottfried Curio , Daniel Hernandez Ruiperez , Shing-Tung Yau

We show that for many moduli spaces M of torsion sheaves on K3 surfaces S, the functor D(S) -> D(M) induced by the universal sheaf is a P-functor, hence can be used to construct an autoequivalence of D(M), and that this autoequivalence can…

Algebraic Geometry · Mathematics 2016-08-18 N. Addington , W. Donovan , C. Meachan

We construct a Fourier--Mukai transform for smooth complex vector bundles $E$ over a torus bundle $\pi:M \to B,$ the vector bundles being endowed with various structures of increasing complexity. At a minimum, we consider vector bundles $E$…

Differential Geometry · Mathematics 2009-11-10 James F. Glazebrook , Marcos Jardim , Franz W. Kamber

In this paper, we study holomorphic rank-2 vector bundles on non-K\" ahler elliptic surfaces. Our main tool for analysing these bundles is of course the spectral cover. However, given the non-K\"{a}hler condition, the elliptic surfaces we…

Algebraic Geometry · Mathematics 2007-05-23 Vasile Brinzanescu , Ruxandra Moraru

We study Pandharipande-Thomas's stable pair theory on $K3$ fibrations over curves with possibly nodal fibers. We describe stable pair invariants of the fiberwise irreducible curve classes in terms of Kawai-Yoshioka's formula for the Euler…

Algebraic Geometry · Mathematics 2017-07-12 Amin Gholampour , Artan Sheshmani , Yukinobu Toda
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