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This paper contains some applications of Fourier-Mukai techniques to the birational geometry of threefolds. In particular, we prove that birational Calabi-Yau threefolds have equivalent derived categories. To do this we show how flops arise…

Algebraic Geometry · Mathematics 2007-05-23 Tom Bridgeland

Given a Fourier-Mukai transform $\Phi$ between the bounded derived categories of two smooth projective curves, we verifiy that the induced map between the Jacobian varieties preserves the principal polarization if and only if $\Phi$ is an…

Algebraic Geometry · Mathematics 2007-05-23 Marcello Bernardara

We prove that the first order deformations of two smooth projective K3 surfaces are derived equivalent under a Fourier--Mukai transform if and only if there exists a special isometry of the total cohomology groups of the surfaces which…

Algebraic Geometry · Mathematics 2009-03-25 Emanuele Macri , Paolo Stellari , Sukhendu Mehrotra

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 consider t-structures that naturally arise on elliptic fibrations. By filtering the category of coherent sheaves on an elliptic fibration using the torsion pairs corresponding to these t-structures, we prove results describing…

Algebraic Geometry · Mathematics 2016-12-21 Jason Lo

We prove that the kernels of Fourier-Mukai functors are not unique in general. On the other hand we show that the cohomology sheaves of those kernels are unique. We also discuss several properties of the functor sending an object in the…

Algebraic Geometry · Mathematics 2011-09-13 Alberto Canonaco , Paolo Stellari

We first describe a canonical mirror partner (B-model) of the small quantum orbifold cohomology of weighted projective spaces (A-model) in the framework of differential equations: we attach to the A-model (resp. B-model) a D-module on the…

Algebraic Geometry · Mathematics 2012-06-18 Antoine Douai , Etienne Mann

We study Fourier-Mukai equivalence of K3 surfaces in positive characteristic and show that the classical results over the complex numbers all generalize. The key result is a positive-characteristic version of the Torelli theorem that uses…

Algebraic Geometry · Mathematics 2018-06-18 Max Lieblich , Martin Olsson

We describe an isomorphism of categories conjectured by Kontsevich. If $M$ and $\widetilde{M}$ are mirror pairs then the conjectural equivalence is between the derived category of coherent sheaves on $M$ and a suitable version of Fukaya's…

Algebraic Geometry · Mathematics 2008-11-26 Alexander Polishchuk , Eric Zaslow

We shall give a complete geometrical description of the FM partners of a K3 surface of Picard number 1 and its applications.

Algebraic Geometry · Mathematics 2007-05-23 Shinobu Hosono , Bong H. Lian , Keiji Oguiso , Shing-Tung Yau

We prove that exact functors between the categories of perfect complexes supported on projective schemes are of Fourier--Mukai type if the functor satisfies a condition weaker than being fully faithful. We also get generalizations of the…

Algebraic Geometry · Mathematics 2014-07-09 Alberto Canonaco , Paolo Stellari

We show that any orientation preserving Hodge isometry between the Hodge structures of two K3 surfaces X and X' twisted by Brauer classes $\alpha$ resp. $\alpha'$ can be lifted to a Fourier-Mukai equivalence between the derived categories…

Algebraic Geometry · Mathematics 2013-09-12 Daniel Huybrechts , Paolo Stellari

For two DG-categories A and B we define the notion of a spherical Morita quasi-functor A -> B. We construct its associated autoequivalences: the twist T of D(B) and the co-twist F of D(A). We give powerful sufficiency criteria for a…

Algebraic Geometry · Mathematics 2015-10-21 Rina Anno , Timothy Logvinenko

Let (X,dX) and (Y,dY) be semimetric spaces with distance sets D(X) and, respectively, D(Y). A mapping F : X \to Y is a weak similarity if it is surjective and there exists a strictly increasing f : D(Y) \to D(X) such that dX = f \circ dY…

Metric Geometry · Mathematics 2012-09-11 Oleksiy Dovgoshey , Evgeniy Petrov

In this paper we prove that any smooth projective variety of dimension $\ge 3$ equipped with a tilting bundle can serve as the source variety of a non-Fourier-Mukai functor between smooth projective schemes.

Algebraic Geometry · Mathematics 2019-12-10 Theo Raedschelders , Alice Rizzardo , Michel Van den Bergh

Assuming the standard framework of mirror symmetry, a conjecture is formulated describing how the diffeomorphism group of a Calabi-Yau manifold Y should act by families of Fourier-Mukai transforms over the complex moduli space of the mirror…

Algebraic Geometry · Mathematics 2007-05-23 Balazs Szendroi

For a trivial elliptic fibration $X=C \times S$ with $C$ an elliptic curve and $S$ a projective K3 surface of Picard rank $1$, we study how various notions of stability behave under the Fourier-Mukai autoequivalence $\Phi$ on $D^b(X)$,…

Algebraic Geometry · Mathematics 2015-10-02 Jason Lo , Ziyu Zhang

We propose a natural discretisation scheme for classical projective minimal surfaces. We follow the classical geometric characterisation and classification of projective minimal surfaces and introduce at each step canonical discrete models…

Differential Geometry · Mathematics 2018-01-26 A. McCarthy , W. K. Schief

We study the structure of a modified Fukaya category ${\frak F}(X)$ associated with a K3 surface $X$, and prove that whenever $X$ is an elliptic K3 surface with a section, the derived category of $\fF(X)$ is equivalent to a subcategory of…

Mathematical Physics · Physics 2009-10-31 C. Bartocci , U. Bruzzo , G. Sanguinetti

The main propose of this paper is to show that Bridgeland's moduli space of perverse point sheaves for certain flopping contractions gives the flops, and the Fourier-Mukai transform given by the birational correspondence of the flop is an…

Algebraic Geometry · Mathematics 2007-05-23 Jiun-Cheng Chen
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