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We extend the classification results for torsion classes and torsion-free classes in the category of finitely generated modules over a commutative noetherian ring to suitable symmetric monoidal closed noetherian abelian categories. Our main…

Representation Theory · Mathematics 2026-04-29 Shunya Saito

We introduce a tensor compatibility condition for t-structures. For any Noetherian scheme $X$, we prove that there is a one-to-one correspondence between the set of filtrations of Thomason subsets and the set of aisles of compactly…

Algebraic Geometry · Mathematics 2023-10-10 Gopinath Sahoo , Umesh V. Dubey

Let $RQ$ be the path algebra of a Dynkin quiver $Q$ over a commutative noetherian ring $R$. We show that any homotopically smashing t-structure in the derived category of $RQ$ is compactly generated. We also give a complete description of…

Representation Theory · Mathematics 2025-05-28 Enrico Sabatini

The noncommutative stable homotopy category $\mathtt{NSH}$ is a triangulated category that is the universal receptacle for triangulated homology theories on separable $C^*$-algebras. We show that the triangulated category $\mathtt{NSH}$ is…

Operator Algebras · Mathematics 2017-06-06 Snigdhayan Mahanta

Let $\mathcal{D}(RC)$ be the derived category of representations of a small category $C$ over a commutative noetherian ring $R$. We study the homotopically smashing t-structures on this category. Specifying our discussion to the stalk…

Representation Theory · Mathematics 2025-12-02 Michal Hrbek , Enrico Sabatini

The authors develop a notion of homological prime spectrum for an arbitrary monoidal triangulated category, ${\mathbf C}$. Unlike the symmetric case due to Balmer, the homological primes of ${\mathbf C}$ are not defined as the maximal Serre…

Category Theory · Mathematics 2025-06-26 Daniel K. Nakano , Kent B. Vashaw , Milen T. Yakimov

The main purpose of this paper is a wide generalization of one of the results abstract algebraic geometry begins with, namely of the fact that the prime spectrum $\mathrm{Spec}(R)$ of a unital commutative ring $R$ is always a spectral…

Category Theory · Mathematics 2021-12-02 Alberto Facchini , Carmelo Antonio Finocchiaro , George Janelidze

We describe a general framework for prime, completely prime, semiprime, and primitive ideals of an abelian 2-category. This provides a noncommutative version of Balmer's prime spectrum of a tensor triangulated category. These notions are…

Category Theory · Mathematics 2018-09-21 Kent Vashaw , Milen Yakimov

In this paper, new algebraic and topological results on purely-prime ideals of a commutative ring (pure spectrum) are obtained. Especially, Grothendieck type theorem is obtained which states that there is a canonical correspondence between…

Commutative Algebra · Mathematics 2020-06-30 Abolfazl Tarizadeh , Mohsen Aghajani

We prove that the Balmer spectrum of a tensor triangulated category is homeomorphic to the Zariski spectrum of its graded central ring, provided the triangulated category is generated by its tensor unit and the graded central ring is…

Category Theory · Mathematics 2016-10-05 Ivo Dell'Ambrogio , Donald Stanley

For each endotrivial complex arising from Bredon homology of a representation sphere, we construct $p$-local quasi-isomorphisms, called forerunners, enabling us to extend Balmer--Gallauer's results in arXiv:2307.04398 Part II concerning the…

Representation Theory · Mathematics 2026-02-10 Sam K. Miller

For a tensor triangulated category and any regular cardinal $\alpha$ we study the frame of $\alpha$-localizing tensor ideals and its associated space of points. For a well-generated category and its frame of localizing tensor ideals we…

Category Theory · Mathematics 2022-09-07 Henning Krause , Janina C. Letz

We classify thick tensor ideals of finite objects in the category of rational torus-equivariant spectra, showing that they are completely determined by geometric isotropy. This is essentially equivalent to showing that the Balmer spectrum…

Algebraic Topology · Mathematics 2016-12-07 J. P. C. Greenlees

This paper develops the structural and spectral foundations of noncommutative and n-ary Gamma semirings, extending the commutative ternary framework established in earlier studies. We introduce left, right, and two-sided ideals in the…

Rings and Algebras · Mathematics 2025-11-19 Chandrasekhar Gokavarapu , D. Madhusudhana Rao

Given a suitable Noetherian scheme, we classify tensor $t$-structures on the bounded derived category of coherent sheaves and its variants with prescribed support. Furthermore, we show that the existence of such $t$-structures restricting…

Algebraic Geometry · Mathematics 2026-05-19 Alexander Clark , Pat Lank , Kabeer Manali-Rahul , Chris J. Parker

We compute the tensor triangular spectrum of perfect complexes of filtered modules over a commutative ring, and deduce a classification of the thick tensor ideals. We give two proofs: one by reducing to perfect complexes of graded modules…

Category Theory · Mathematics 2019-09-11 Martin Gallauer

We develop the theory of stratification for a rigidly-compactly generated tensor-triangulated category using the smashing spectrum and the small smashing support. Within the stratified context, we investigate connections between big prime…

Category Theory · Mathematics 2023-10-19 Charalampos Verasdanis

In recent years, Benson, Iyengar and Krause have developed a theory of stratification for compactly generated triangulated categories with an action of a graded commutative Noetherian ring. Stratification implies a classification of…

Algebraic Topology · Mathematics 2012-06-26 Shoham Shamir

This is the second of two papers on the injective spectrum of a right noetherian ring. In the prequel, we considered the injective spectrum as a topological space associated to a ring (or, more generally, a Grothendieck category), which…

Category Theory · Mathematics 2019-08-19 Harry Gulliver

We extend the support theory of Benson--Iyengar--Krause to the non-Noetherian setting by introducing a new notion of small support for modules. This enables us to prove that the stable module category of a finite group is canonically…

Algebraic Topology · Mathematics 2025-08-11 Changhan Zou