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This note revisits stability conditions on the bounded derived categories of coherent sheaves on irreducible projective curves. In particular, all stability conditions on smooth curves are classified and a connected component of the…

Algebraic Geometry · Mathematics 2026-02-25 Ziqi Liu

We study some examples of Bridgeland-Douglas stability conditions on triangulated categories. From one side we give a complete description of the stability manifolds for smooth projective curves of positive genus. From the other side we…

Algebraic Geometry · Mathematics 2007-05-28 Emanuele Macri

This paper contains a description of one connected component of the space of stability conditions on the bounded derived category of coherent sheaves on a complex algebraic K3 surface.

Algebraic Geometry · Mathematics 2007-05-23 Tom Bridgeland

We describe stability conditions for pairs consisting of a coherent sheaf and a homomorphism to a fixed coherent sheaf on a projective variety. The corresponding moduli spaces are constructed for pairs on curves and surfaces. We consider…

alg-geom · Mathematics 2008-02-03 Daniel Huybrechts , Manfred Lehn

This article deals with the quotient category of the category of coherent sheaves on an irreducible smooth projective variety by the full subcategory of sheaves supported in codimension greater than c. It turns out that this category has…

Algebraic Geometry · Mathematics 2008-05-06 Sven Meinhardt , Holger Partsch

We survey some aspects of stability conditions both in general and on the derived category of coherent sheaves on a surface, with applications to the birational geometry of certain holomorphic symplectic varieties.

Algebraic Geometry · Mathematics 2019-01-11 François Charles

We discuss derived categories of coherent sheaves on algebraic varieties. We focus on the case of non-singular Calabi-Yau varieties and consider two unsolved problems: proving that birational varieties have equivalent derived categories,…

Algebraic Geometry · Mathematics 2019-12-20 Tom Bridgeland

We present a novel notion of stable objects in the derived category of coherent sheaves on a smooth projective variety. As one application we compactify a moduli space of stable bundles using genuine complexes.

Algebraic Geometry · Mathematics 2007-05-23 Georg Hein , David Ploog

We generalize some results in the literature on movable curve classes and slope stability of coherent sheaves on smooth projective varieties to the case of smooth proper DM stacks admitting projective coarse moduli spaces. As an…

Algebraic Geometry · Mathematics 2026-05-26 Sebastian Casalaina-Martin , Shend Zhjeqi

In these notes, an introduction to derived categories and derived functors is given. The main focus is the bounded derived category of coherent sheaves on a smooth projective variety.

Algebraic Geometry · Mathematics 2019-08-29 Andreas Hochenegger

We show that the minimal model program on any smooth projective surface is realized as a variation of the moduli spaces of Bridgeland stable objects in the derived category of coherent sheaves.

Algebraic Geometry · Mathematics 2019-02-20 Yukinobu Toda

We investigate the bounded derived category of coherent sheaves on irreducible singular projective curves of arithmetic genus one. A description of the group of exact auto-equivalences and the set of all t-structures of this category is…

Algebraic Geometry · Mathematics 2007-05-23 Igor Burban , Bernd Kreussler

Let $X$ be a smooth projective variety over $\mathbb C$. In this paper, we prove that $\mathrm{D}^b(X)$, the bounded derived category of coherent sheaves on $X$, always admits stability conditions in the sense of Bridgeland.

Algebraic Geometry · Mathematics 2026-02-02 Chunyi Li

We present stability conditions for the category of coherent systems on an integral curve. We define a three-parameter family of pre-stability conditions in its derived category using tilting, and we then investigate when these conditions…

Algebraic Geometry · Mathematics 2025-11-18 Marcos Jardim , Leonardo Roa-Leguizamón , Renato Vidal Martins

Let $C$ be a smooth projective curve of genus $g>0$. We describe an open locus of Bridgeland stability conditions on the bounded derived category of coherent systems on $C$, and show that stability manifold detects the Brill--Noether theory…

Algebraic Geometry · Mathematics 2025-11-04 Soheyla Feyzbakhsh , Aliaksandra Novik

We study the spaces of locally-finite stability conditions on the derived categories of coherent sheaves on the minimal resolutions of $A_n$-singularities supported at the exceptional sets. Our main theorem is that they are connected and…

Algebraic Geometry · Mathematics 2010-04-20 Akira Ishii , Kazushi Ueda , Hokuto Uehara

We study the bounded derived category $\mathcal{D}$ of an Euclidean quiver, or equivalently, that of coherent sheaves on a tame weighted projective line. We give a description of the moduli space $\mathrm{ToSS}$ of the total semi-stability…

Representation Theory · Mathematics 2025-01-29 Yu Qiu , Xiaoting Zhang

We define and study a gluing procedure for Bridgeland stability conditions in the situation when a triangulated category has a semiorthogonal decomposition. As an application we construct stability conditions on the derived categories of…

Algebraic Geometry · Mathematics 2010-05-17 John Collins , Alexander Polishchuk

We show that any extremal contraction from a smooth projective variety with dimension less than or equal to three appears as a moduli space of (semi)stable objects in the derived category of coherent sheaves.

Algebraic Geometry · Mathematics 2012-04-04 Yukinobu Toda

We study stability conditions induced by functors between triangulated categories. Given a finite group acting on a smooth projective variety we prove that the subset of invariant stability conditions embeds as a closed submanifold into the…

Algebraic Geometry · Mathematics 2009-01-10 Emanuele Macri , Sukhendu Mehrotra , Paolo Stellari
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