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We will discuss the Fourier-Mukai partners of a given abelian variety. The first part of the note is to give some basic theory of Fourier-Mukai partners and semi-homogenous vector bundles, then we will discuss the case when the kernel of an…

Algebraic Geometry · Mathematics 2019-08-13 Anningzhe Gao

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 study generalized complex structures on K3 surfaces, in the sense of Hitchin. For each real parameter t between one and infinity we exhibit two families of generalized K3 surfaces, (M,cal{I}_{zeta}) and (M,cal{J}_{zeta}), parametrized by…

Differential Geometry · Mathematics 2012-09-17 Justin Sawon

The purpose of this paper is twofold. First, we survey known results about theta dualities on moduli spaces of sheaves on curves and surfaces. Secondly, we establish new such dualities in the surface case. Among others, the case of elliptic…

Algebraic Geometry · Mathematics 2008-02-26 Alina Marian , Dragos Oprea

Motivated by the relation between (twisted) K3 surfaces and special cubic fourfolds, we construct moduli spaces of polarized twisted K3 surfaces of any fixed degree and order. We do this by mimicking the construction of the moduli space of…

Algebraic Geometry · Mathematics 2019-10-09 Emma Brakkee

We introduce the notion of induced automorphisms in order to state a criterion to determine whether a given automorphism on a manifold of $K3^{[n]}$ type is, in fact, induced by an automorphism of a $K3$ surface and the manifold is a moduli…

Algebraic Geometry · Mathematics 2015-06-12 Giovanni Mongardi , Malte Wandel

We realize explicit symmetries of Bridgeland stability conditions on any abelian threefold given by Fourier-Mukai transforms. In particular, we extend the previous joint work with Maciocia to study the slope and tilt stabilities of sheaves…

Algebraic Geometry · Mathematics 2017-09-28 Dulip Piyaratne

The main result of the present paper is a construction of relative moduli spaces of stable sheaves over the stack of quasipolarized projective surfaces. For this, we use the theory of good moduli spaces, whose study was initiated by Alper.…

Algebraic Geometry · Mathematics 2025-01-08 Svetlana Makarova

The theory of representations of quivers and of their preprojective algebras are reviewed. In particular, moduli spaces of representations of these algebras, quiver varieties and reflection functor are described. The proof that the…

Mathematical Physics · Physics 2019-02-11 A. Silantyev

Given two smooth projective varieties X and Y over a field, we say that X motivates Y if the (suitably defined) motive of Y is contained in the category generated from X by taking sums, summands and products. This notion has appeared…

Algebraic Geometry · Mathematics 2016-09-07 Donu Arapura

Orlov's famous representability theorem asserts that any fully faithful exact functor between the bounded derived categories of coherent sheaves on smooth projective varieties is a Fourier-Mukai functor. In this paper we show that this…

Algebraic Geometry · Mathematics 2019-03-05 Alice Rizzardo , Michel Van den Bergh , Amnon Neeman

We study the bundles of generalized theta functions constructed from moduli spaces of sheaves over abelian surfaces. In degree 0, the splitting type of these bundles is expressed in terms of indecomposable semihomogeneous factors.…

Algebraic Geometry · Mathematics 2019-07-17 Dragos Oprea

We shall study moduli spaces of stable 1-dimensional sheaves on an elliptic ruled surface.

Algebraic Geometry · Mathematics 2022-02-21 Kota Yoshioka

The aim of this paper is to study the singularities of certain moduli spaces of sheaves on K3 surfaces by means of Nakajima quiver varieties. The singularities in question arise from the choice of a non--generic polarization, with respect…

Algebraic Geometry · Mathematics 2018-03-13 Enrico Arbarello , Giulia Saccà

We survey recent progress in the study of moduli of vector bundles on higher-dimensional base manifolds. In particular, we discuss an algebro-geometric construction of an analogue for the Donaldson-Uhlenbeck compactification and explain how…

Algebraic Geometry · Mathematics 2018-04-19 Daniel Greb , Julius Ross , Matei Toma

We prove that any proper Fourier-Mukai partner of an abelian variety is again an abelian variety, by analyzing the Matsui spectrum of the derived category. This result was previously obtained by Huybrechts and Nieper-Wisskirchen in the case…

Algebraic Geometry · Mathematics 2025-07-01 Hisato Matsukawa

We use homological methods to establish a formal criterion for Generic Vanishing, in the sense originated by Green and Lazarsfeld and pursued further by Hacon and the first author, but in the context of an arbitrary Fourier-Mukai…

Algebraic Geometry · Mathematics 2009-11-18 Giuseppe Pareschi , Mihnea Popa

In this paper we consider moduli spaces of coherent systems on an elliptic curve. We compute their Hodge polynomials and determine their birational types in some cases. Moreover we prove that certain moduli spaces of coherent systems are…

Algebraic Geometry · Mathematics 2009-04-29 H. Lange , P. E. Newstead

We prove that projective hyperk\"{a}hler manifolds of K3$^{[n]}$-type admitting a non-trivial symplectic birational self-map of finite order are isomorphic to moduli spaces of stable (twisted) coherent sheaves on K3 surfaces. Motivated by…

Algebraic Geometry · Mathematics 2024-06-11 Yajnaseni Dutta , Dominique Mattei , Yulieth Prieto-Montañez

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