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We introduce the notion of ST-pairs of triangulated subcategories, a prototypical example of which is the pair of the bound homotopy category and the bound derived category of a finite-dimensional algebra. For an ST-pair $(\C,\D)$, we…

Representation Theory · Mathematics 2018-08-01 Takahide Adachi , Yuya Mizuno , Dong Yang

We introduce the notion of relative stability conditions on triangulated categories with respect to left admissible subcategories, based on arXiv:math/0212237, and demonstrate the deformation of relative stability conditions via the…

Algebraic Geometry · Mathematics 2024-12-06 Bowen Liu , Dongjian Wu

We consider a 3-Calabi-Yau triangulated category associated to an ideal triangulation of a marked bordered surface. Using the theory of harmonic maps between Riemann surfaces, we construct a natural map from a component of the space of…

Geometric Topology · Mathematics 2024-10-08 Dylan G. L. Allegretti

We introduce a new class of triangulated categories, which are Verdier quotients of three-Calabi-Yau categories from (decorated) marked surfaces, and show that its spaces of stability conditions can be identified with moduli spaces of…

Geometric Topology · Mathematics 2024-02-22 Anna Barbieri , Martin Möller , Yu Qiu , Jeonghoon So

We begin by discussing various ways autoequivalences and stability conditions associated to triangulated categories can interact. Once an appropriate definition of compatibility is formulated, we derive a sufficiency criterion for this…

Algebraic Geometry · Mathematics 2012-07-10 Parker E. Lowrey

In this paper, we study the space of stability conditions on a certain $N$-Calabi-Yau ($\text{CY}_N$) category associated to an $A_n$-quiver. Recently, Bridgeland and Smith constructed stability conditions on some $\text{CY}_3$ categories…

Representation Theory · Mathematics 2016-12-06 Akishi Ikeda

We propose compactifications of the moduli space of Bridgeland stability conditions of a triangulated category. Our construction arises from a viewing a stability condition as a metric on the underlying category and is inspired by the…

Representation Theory · Mathematics 2023-11-10 Asilata Bapat , Anand Deopurkar , Anthony M. Licata

The space of Bridgeland stability conditions is a complex manifold that can be attached to a triangulated category, of which it encodes some homological properties. These notes are an introduction to this topic, with a focus on examples…

Representation Theory · Mathematics 2024-11-04 Anna Barbieri

We explain how structures analogous to those appearing in the theory of stability conditions on abelian and triangulated categories arise in geometric invariant theory. This leads to an axiomatic notion of a central charge on a scheme with…

Algebraic Geometry · Mathematics 2024-12-03 Ruadhaí Dervan

We establish, for each orbifold crepantly resolving a Kleinian singularity, the existence of the cohomological Hall algebra (COHA) of coherent sheaves supported on the exceptional locus and explicitly compute this COHA as a completion of…

Algebraic Geometry · Mathematics 2025-11-12 Francesco Sala , Olivier Schiffmann , Parth Shimpi

We propose the notion of stability on a triangulated category that is a generalization of the T.Bridgeland's stability data. We establish connections between stabilities and t-structures on a category and as application we get the…

Algebraic Geometry · Mathematics 2007-05-23 A. Gorodentscev , S. Kuleshov , A. Rudakov

We study stability conditions on the derived categories of coherent sheaves on some projective varieties. We give a complete description of the stability manifold for smooth projective curves and we examine a connected open subset of the…

Algebraic Geometry · Mathematics 2007-05-23 Emanuele Macri

We study fundamental group of the exchange graphs for the bounded derived category D(Q) of a Dynkin quiver Q and the finite-dimensional derived category D(\Gamma_N Q) of the Calabi-Yau-N Ginzburg algebra associated to Q. In the case of…

Algebraic Geometry · Mathematics 2014-11-04 Yu Qiu

We classify all triangulated orbit categories of path-algebras of Dynkin diagrams that are triangle equivalent to a stable module category of a representation-finite self-injective standard algebra. For each triangulated orbit category T we…

Representation Theory · Mathematics 2017-08-24 Benedikte Grimeland , Karin M Jacobsen

I use Bridgeland's definition of a stability condition on a triangulated category to investigate the stability of D-branes on Calabi-Yau cones given by the canonical line bundle over a del Pezzo surface. In this context, I prove the…

High Energy Physics - Theory · Physics 2009-02-24 Aaron Bergman

We study the dynamics of piecewise conformal maps in the Riemann sphere. The normality and chaotic regions are defined and we state several results and properties of these sets. We show that the stability of these piecewise maps is related…

Dynamical Systems · Mathematics 2019-01-25 Renato Leriche , Guillermo Sienra

We propose a notion of multi-scale stability conditions with the goal of providing a smooth compactification of the quotient of the space of projectivized Bridgeland stability conditions by the group of autoequivalence. For the case of the…

Algebraic Geometry · Mathematics 2024-09-24 Anna Barbieri , Martin Möller , Jeonghoon So

This is a survey on two closely related subjects. First, we review the study of topological structure of `finite type' components of spaces of Bridgeland's stability conditions on triangulated categories. The key is to understand…

Representation Theory · Mathematics 2018-07-09 Yu Qiu

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 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