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We study jet schemes and arc spaces in the context of derived algebraic geometry. Explicitly, we consider the jet and arc functors in the category of schemes and study their animations to the category of derived schemes -- what we call the…

Algebraic Geometry · Mathematics 2026-05-22 Roi Docampo , Lance Edward Miller , C. Eric Overton-Walker

We systematically develop the theory of definable functors between compactly generated triangulated categories. Such functors preserve pure triangles, pure injective objects, and definable subcategories, and as such appear in a wide range…

Category Theory · Mathematics 2025-03-03 Isaac Bird , Jordan Williamson

We study the subcategory of topological operads $P$ such that $P(0) = *$ (the category of unitary operads in our terminology). We use that this category inherits a model structure, like the category of all operads in topological spaces, and…

Algebraic Topology · Mathematics 2018-02-15 Benoit Fresse , Victor Turchin , Thomas Willwacher

This paper develops the homological backbone of the theory of non-commutative $n$-ary $\Gamma$-semirings. Starting from an $n$-ary $\Gamma$-semiring $(T,+,\tilde{\mu})$ and its $\Gamma$-ideals, we work in the slot-sensitive categories of…

Rings and Algebras · Mathematics 2025-12-01 Chandrasekhar Gokavarapu

In this paper we consider a construction in an arbitrary triangulated category T which resembles the notion of a Moore spectrum in algebraic topology. Namely, given a compact object C of T satisfying some finite tilting assumptions, we…

Category Theory · Mathematics 2010-06-03 David Pauksztello

This paper concerns spherical adjunctions of stable $\infty$-categories and their relation to monadic adjunctions. We begin with a proof of the 2/4 property of spherical adjunctions in the setting of stable $\infty$-categories. The proof is…

Algebraic Topology · Mathematics 2022-08-02 Merlin Christ

Without the axiom of choice, the free exact completion of the category of sets (i.e. the category of setoids) may not be complete or cocomplete. We will show that nevertheless, it can be enhanced to a derivator: the formal structure of…

Category Theory · Mathematics 2021-06-07 Michael Shulman

Let $\mathcal{M}$ be an $n$-cluster tilting subcategory of ${\rm mod}\mbox{-}\Lambda$, where $\Lambda$ is an artin algebra. Let $\mathcal{S}(\mathcal{M})$ denotes the full subcategory of $\mathcal{S}(\Lambda)$, the submodule category of…

Representation Theory · Mathematics 2020-08-11 Javad Asadollahi , Rasool Hafezi , Somayeh Sadeghi

Let $k$ be a field of characteristic $0$. We introduce a pair of adjoint functors, Allison-Benkart-Gao functor $\AG$ and Berman-Moody functor $\BM$, between the category of non-unital alternative algebras over $k$ and the category $\LieR$…

Quantum Algebra · Mathematics 2025-01-28 Shikui Shang

Let FI denote the category whose objects are the sets $[n] = \{1,\ldots, n\}$, and whose morphisms are injections. We study functors from the category FI into the category of sets. We write $\mathfrak{S}_n$ for the symmetric group on $[n]$.…

Combinatorics · Mathematics 2018-04-16 Eric Ramos , David Speyer , Graham White

We formalize, at the level of D-modules, the notion that A-hypergeometric systems are equivariant versions of the classical hypergeometric equations. For this purpose, we construct a functor on a suitable category of torus equivariant…

Algebraic Geometry · Mathematics 2018-06-13 Christine Berkesch , Laura Felicia Matusevich , Uli Walther

This paper presents a noncommutative theory of symmetric functions, based on the notion of quasi-determinant. We begin with a formal theory, corresponding to the case of symmetric functions in an infinite number of independent variables.…

High Energy Physics - Theory · Physics 2008-02-03 Israel Gelfand , D. Krob , Alain Lascoux , B. Leclerc , V. S. Retakh , J. -Y. Thibon

On the category of bounded complexes of finitely generated free squarefree modules over the polynomial ring S, there is the standard duality functor D = Hom_S(-, omega_S) and the Alexander duality functor A. The composition AD is an…

Commutative Algebra · Mathematics 2016-09-30 Gunnar Floystad

Voevodsky's derived category of motives is the main arena today for the study of algebraic cycles and motivic cohomology. In this paper we study whether the inclusions of three important subcategories of motives have a left or right…

Algebraic Geometry · Mathematics 2016-03-30 Burt Totaro

We expand on an idea of Vinberg to take a tensor space and the natural Lie algebra that acts on it and embed their direct sum into an auxiliary algebra. Viewed as endomorphisms of this algebra, we associate adjoint operators to tensors. We…

Algebraic Geometry · Mathematics 2025-10-17 Frederic Holweck , Luke Oeding

We show that the complete bornological convolution algebras of Lie groupoids and convolution bimodules of groupoid bibundles define a monoidal functor from the 2-category of differentiable stacks to the Morita 2-category of complete…

Differential Geometry · Mathematics 2026-05-29 David Aretz , Christian Blohmann

We prove that the notion of Drinfeld center defines a functor from the category of indecomposable multi-tensor categories with morphisms given by bimodules to that of braided tensor categories with morphisms given by monoidal bimodules.…

Category Theory · Mathematics 2018-10-19 Liang Kong , Hao Zheng

Within the framework of Soft Collinear Effective Theory, we present calculations of semi-inclusive jet functions and fragmenting jet functions at next-to-leading order (NLO) for both quark- and gluon-initiated jets, for jet algorithms of…

High Energy Physics - Phenomenology · Physics 2021-04-07 Lei Wang , Zhong-Bo Kang , Hongxi Xing , Ben-Wei Zhang

We introduce lifespan functors, which are endofunctors on the category of persistence modules that filter out intervals from barcodes according to their boundedness properties. They can be used to classify injective and projective objects…

Algebraic Topology · Mathematics 2024-02-21 Ulrich Bauer , Maximilian Schmahl

The aim of the present paper is to study arithmetic properties of $\mathcal{D}$-modules on an algebraic variety over the field of algebraic numbers. We first provide a framework for extending a class of $G$-connections (resp., globally…

Algebraic Geometry · Mathematics 2023-09-22 Yasuhiro Wakabayashi