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We introduce a general method to induce Bridgeland stability conditions on semiorthogonal components of triangulated categories. In particular, we prove the existence of Bridgeland stability conditions on the Kuznetsov component of the…

代数几何 · 数学 2023-06-14 Arend Bayer , Martí Lahoz , Emanuele Macrì , Paolo Stellari

Let $\mathcal{G}$ be a fusion category acting on a triangulated category $\mathcal{D}$, in the sense that $\mathcal{D}$ is a $\mathcal{G}$-module category. Our motivation example is fusion-weighted species, which is essentially Heng's…

表示论 · 数学 2025-01-28 Yu Qiu , Xiaoting Zhang

We study the problem of when triangulated categories admit unique infinity-categorical enhancements. Our results use Lurie's theory of prestable infinity-categories to give conceptual proofs of, and in many cases strengthen, previous work…

代数几何 · 数学 2021-03-19 Benjamin Antieau

We prove twisted homological stability for handlebody mapping class groups. Using the categorical framework developed by Randal-Williams and Wahl, we establish that the homology of the handlebody groups stabilises with respect to both genus…

几何拓扑 · 数学 2026-03-04 Erik Lindell , Arthur Soulié

Categorical spectra are spectrum objects in pointed $(\infty,\infty)$-categories: sequences $(X_n)$ equipped with equivalences $X_n\simeq \Omega X_{n+1}$. This thesis develops foundations for categorical spectra and constructs their tensor…

代数拓扑 · 数学 2026-05-06 Naruki Masuda

We propose a general method to construct new triangulated categories, relative stable categories, as additive quotients of a given one. This construction enhances results of Beligiannis, particularly in the tensor-triangular setting. We…

范畴论 · 数学 2021-07-14 Paul Balmer , Greg Stevenson

We begin a systematic development of structure theory for a first order theory, which is stable over a monadic predicate. We show that stability over a predicate implies quantifier free definability of types over stable sets, introduce an…

逻辑 · 数学 2023-02-17 Saharon Shelah , Alexander Usvyatsov

Recent developments in the theory of stability conditions and its relation to Teichmuller theory have revealed a deep connection between triangulated categories and surfaces. Motivated by this, we prove a categorical analogue of the…

表示论 · 数学 2023-07-26 Edmund Heng

Let $\mathcal T$ be a well generated triangulated category, and let $S\subset\mathcal T$ be a set of objects. We prove that there is a t-structure on $\mathcal T$ with ${\mathcal T}^{\leq0}=\overline{\langle S\rangle}^{(-\infty,0]}$. This…

范畴论 · 数学 2018-08-17 Amnon Neeman

The stability of ecological systems is a fundamental concept in ecology, which offers profound insights into species coexistence, biodiversity, and community persistence. In this article, we provide a systematic and comprehensive review on…

动力系统 · 数学 2024-02-08 Can Chen , Xu-Wen Wang , Yang-Yu Liu

This paper uses the notion of algorithmic stability to derive novel generalization bounds for several families of transductive regression algorithms, both by using convexity and closed-form solutions. Our analysis helps compare the…

机器学习 · 计算机科学 2009-04-07 Corinna Cortes , Mehryar Mohri , Dmitry Pechyony , Ashish Rastogi

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…

几何拓扑 · 数学 2024-02-22 Anna Barbieri , Martin Möller , Yu Qiu , Jeonghoon So

Informed by our understanding of the tt-geometry of permutation modules, we investigate the proper definition of the `stable permutation category' of a finite group. Then we prove that this category decomposes over cyclic and generalized…

表示论 · 数学 2026-04-21 Paul Balmer , Martin Gallauer

In the present work we suggest a general covariant theory which can be used to study the stability of any physical system treated geometrically. Stability conditions are connected to the magnitude of the deviation vector. This theory is a…

广义相对论与量子宇宙学 · 物理学 2016-11-15 M. I. Wanas , M. A. Bakry

We redevelop persistent homology (topological persistence) from a categorical point of view. The main objects of study are diagrams, indexed by the poset of real numbers, in some target category. The set of such diagrams has an interleaving…

代数拓扑 · 数学 2014-05-13 Peter Bubenik , Jonathan A. Scott

The problem of homological stability helps us to catch the structure of group homology. We calculate homological stability of special orthogonal groups, and we also calculate the stability of orthogonal groups with determinant-twisted…

K理论与同调 · 数学 2015-11-04 Masayuki Nakada

We give an elementary introduction to the theory of triangulated categories covering their axioms, homological algebra in triangulated categories, triangulated subcategories, and Verdier localization. We try to use a minimal set of axioms…

K理论与同调 · 数学 2014-07-17 Tobias Fritz

The stability analysis of a class of discontinuous discrete-time systems is studied in this paper. The system under study is modeled as a feedback interconnection of a linear system and a set-valued nonlinearity. An equivalent…

系统与控制 · 电气工程与系统科学 2022-08-12 Francesco Ferrante , Giorgio Valmorbida

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.

代数几何 · 数学 2019-02-20 Yukinobu Toda

We develop an extremely general and robust framework that can be adapted to wide classes of generic spherically symmetric thin-shell gravastars. The thin shell (transition layer) will be permitted to move freely in the bulk spacetimes,…

广义相对论与量子宇宙学 · 物理学 2015-12-25 Francisco S. N. Lobo , Prado Martín-Moruno , Nadiezhda Montelongo-García , Matt Visser