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We show that the construction of Bayer, Bertram, Macri and Toda gives rise to a Bridgeland stability condition on a principally polarized abelian threefold with Picard rank one by establishing their conjectural generalized…

Algebraic Geometry · Mathematics 2015-03-09 Antony Maciocia , Dulip Piyaratne

Let M(v) be the moduli of stable sheaves on K3 surfaces X of Mukai vector v. If v is primitive, than it is expected that M(v) is deformation equivalent to some Hilbert scheme and weight two hogde structure can be described by H^*(X,Z).…

alg-geom · Mathematics 2008-02-03 Kota Yoshioka

We give another proof of Le Potier's result and some variants on moduli spaces of semistable sheaves on the projective plane, using the Bridgeland stability conditions. As an application we study the wall-crossing phenomena of the Hilbert…

Algebraic Geometry · Mathematics 2010-03-30 Ryo Ohkawa

We investigate the wall-crossing behavior as Bridgeland moduli spaces for some Simpson moduli spaces of Gieseker-semistable torsion sheaves on $\mathbb{P}^1\times \mathbb{P}^1$ with linear Hilbert polynomial. In particular, we recover some…

Algebraic Geometry · Mathematics 2019-05-28 Matteo Altavilla

In this paper we give for all $n \geq 2$, d>0, $g \geq 0$ necessary and sufficient conditions for the existence of a pair (X,C), where X is a K3 surface of degree 2n in $\matbf{P}^{n+1}$ and C is a smooth (reduced and irreducible) curve of…

Algebraic Geometry · Mathematics 2007-05-23 Andreas Leopold Knutsen

We study a Fourier-Mukai kernel associated to a GIT wall-crossing for arbitrarily singular (not necessarily reduced or irreducible) affine varieties over any field. This kernel is closely related to a derived fiber product diagram for the…

Algebraic Geometry · Mathematics 2021-01-18 Nitin K. Chidambaram , David Favero

Let $C \subset P^{g-1}$ be a smooth canonical curve of genus $g \geq 3$. The purpose of this article is to further develop a method to classify varieties having $C$ as their curve section, using Gaussian map computations. In a previous…

alg-geom · Mathematics 2019-07-02 C. Ciliberto , A. Lopez , R. Miranda

Tom Bridgeland constructed explicit stability conditions on K3 surfaces. This paper attempts to shed more light on these particular examples, especially on the hearts of the underlying t-structures. We prove that two K3 surfaces X and X'…

Algebraic Geometry · Mathematics 2013-09-12 Daniel Huybrechts

We show that the conjectural construction proposed by Bayer, Bertram, Macr\'i and Toda gives rise to Bridgeland stability conditions for a principally polarized abelian three-fold with Picard rank one by proving that tilt stable objects…

Algebraic Geometry · Mathematics 2015-11-24 Antony Maciocia , Dulip Piyaratne

On a Weierstra{\ss} elliptic surface $X$, we define a `limit' of Bridgeland stability conditions, denoted as $Z^l$-stability, by moving the polarisation towards the fiber direction in the ample cone while keeping the volume of the…

Algebraic Geometry · Mathematics 2021-02-12 Wanmin Liu , Jason Lo , Cristian Martinez

We prove an effective restriction theorem for stable vector bundles $E$ on a smooth projective variety: $E|_D$ is (semi)stable for all irreducible divisors $D \in |kH|$ for all $k$ greater than an explicit constant. As an application, we…

Algebraic Geometry · Mathematics 2021-05-13 Soheyla Feyzbakhsh

We construct examples of $K3$ surfaces of geometric Picard rank $1$. Our method is a refinement of that of R. van Luijk. It is based on an analysis of the Galois module structure on \'etale cohomology. This allows to abandon the original…

Algebraic Geometry · Mathematics 2015-05-19 Andreas-Stephan Elsenhans , Jörg Jahnel

We provide methods to construct explicit examples of $K3$ surfaces. This leads to unirational constructions of Noether--Lefschetz divisors inside the moduli space of $K3$ surfaces of genus $g$. We implement Mukai's unirationality…

Algebraic Geometry · Mathematics 2021-11-16 Michael Hoff , Giovanni Staglianò

We will give a criterion to assure that an extremal contraction of a K3 surface which is not a Mori Dream Space produces a singular surface which is a Mori Dream Spaces. We list the possible N\'eron--Severi groups of K3 surfaces with this…

Algebraic Geometry · Mathematics 2016-08-08 Alice Garbagnati

In this paper, we describe the Fourier-Mukai locus of the derived category of a complex algebraic K3 surface of Picard number one. We also prove that the Fourier-Mukai locus of the derived category of a complex algebraic K3 surface of…

Algebraic Geometry · Mathematics 2024-05-03 Yuki Hirano , Genki Ouchi

This paper treats the theory of Mukai duality on K3 surfaces from the differential geometric perspective, taylored to the need of the author's companion paper about Mukai duality of adiabatic coassociative K3 fibrations.

Differential Geometry · Mathematics 2019-08-15 Yang Li

Given two compact hyperk\"ahler surfaces $X$ and $Y$ and a holomorphic vector bundle $Q$ on $X\times Y$, which is a generalized instanton, one can define a Fourier-Mukai transform, which, under suitable assumptions, maps vector bundles on…

dg-ga · Mathematics 2008-02-03 C. Bartocci , U. Bruzzo , D. Hernandez Ruiperez

We study twisted ideal sheaves of small length on an irreducible principally polarized abelian surface (T,l). Using Fourier-Mukai techniques we associate certain jumping schemes to such sheaves and completely classify such loci. We give…

Algebraic Geometry · Mathematics 2013-06-05 Antony Maciocia

We study the Hochschild homology of smooth spaces, emphasizing the importance of a pairing which generalizes Mukai's pairing on the cohomology of K3 surfaces. We show that integral transforms between derived categories of spaces induce,…

Algebraic Geometry · Mathematics 2010-05-25 Andrei Caldararu , Simon Willerton

We survey the basic theory of non-commutative K3 surfaces, with a particular emphasis to the ones arising from cubic fourfolds. We focus on the problem of constructing Bridgeland stability conditions on these categories and we then…

Algebraic Geometry · Mathematics 2019-02-26 Emanuele Macrì , Paolo Stellari