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A general method for lifting weak factorization systems in a category S to model category structures on simplicial objects in S is described, analogously to the lifting of cotorsion pairs in Abelian categories to model category structures…

Algebraic Topology · Mathematics 2021-05-19 Fritz Hörmann

The purpose of this work is to define a derived Hall algebra $\mathcal{DH}(T)$, associated to any dg-category $T$ (under some finiteness conditions). Our main theorem states that $\mathcal{DH}(T)$ is associative and unital. It is shown that…

Quantum Algebra · Mathematics 2007-05-23 B. Toen

Extending previous work, we define monoidal algebraic model structures and give examples. The main structural component is what we call an algebraic Quillen two-variable adjunction; the principal technical work is to develop the category…

Category Theory · Mathematics 2013-02-01 Emily Riehl

A finite set can be supplied with a group structure which can then be used to select (classes of) differential calculi on it via the notions of left-, right- and bicovariance. A corresponding framework has been developed by Woronowicz, more…

q-alg · Mathematics 2008-11-26 K. Bresser , A. Dimakis , F. Mueller-Hoissen , A. Sitarz

A categorical model of the multiplicative and exponential fragments of intuitionistic linear logic ($\mathsf{MELL}$), known as a \emph{linear category}, is a symmetric monoidal closed category with a monoidal coalgebra modality (also known…

Logic in Computer Science · Computer Science 2023-06-22 Jean-Simon Pacaud Lemay

This paper introduces an inherently strict presentation of categories with products, coproducts, or symmetric monoidal products that is inspired by file systems and directories. Rather than using nested binary tuples to combine objects or…

Category Theory · Mathematics 2025-04-30 Owen Lynch , Markus Lohmayer

This thesis provides an introduction to the various category theory ideas employed in topological quantum field theory. These theories are viewed as symmetric monoidal functors from topological cobordism categories into the category of…

Quantum Algebra · Mathematics 2007-05-23 Bruce H. Bartlett

Cartesian differential categories provide a categorical framework for multivariable differential calculus and also the categorical semantics of the differential $\lambda$-calculus. Taylor series expansion is an important concept for both…

Category Theory · Mathematics 2024-12-18 Jean-Simon Pacaud Lemay

Given an associative graded algebra equipped with a degree +1 differential we define an A-infinity structure that measures the failure of the differential to be a derivation. This can be seen as a non-commutative analog of generalized…

Quantum Algebra · Mathematics 2013-04-24 Kaj Börjeson

Category theory has been recently used as a tool for constructing and modeling an information flow framework. Here, we show that the flow of information can be described using preradicals. We prove that preradicals generalize the notion of…

Category Theory · Mathematics 2021-12-14 Sebastian Pardo G. , Gabriel A. Silva

We prove that any category of props in a symmetric monoidal model category inherits a model structure. We devote an appendix, about half the size of the paper, to the proof of the model category axioms in a general setting. We need the…

Algebraic Topology · Mathematics 2010-02-17 Benoit Fresse

We develop the deformation-obstruction calculus for morphisms of complexes with a fixed lift of the codomain, to derived categories of flat nilpotent deformations of abelian categories. As an application, we give an alternative proof that…

Algebraic Geometry · Mathematics 2025-11-14 Pieter Belmans , Wendy Lowen , Shinnosuke Okawa , Andrea T. Ricolfi

Let $T$ be a complete, model complete o-minimal theory extending the theory RCF of real closed ordered fields in some appropriate language $L$. We study derivations $\delta$ on models $\mathcal{M}\models T$. We introduce the notion of a…

Logic · Mathematics 2025-01-09 Antongiulio Fornasiero , Elliot Kaplan

In Categorial Topology, given a category (as a "geometric object") we can consider its properties preserved under continuous action (a "deformation") of a comma-propagation operation. However, the Metacategory space, valid for all…

General Mathematics · Mathematics 2026-03-24 Zoran Majkic

We study and relate categories of modules, comodules and contramodules over a representation of a small category taking values in (co)algebras, in a manner similar to modules over a ringed space. As a result, we obtain a categorical…

Rings and Algebras · Mathematics 2023-02-15 Mamta Balodi , Abhishek Banerjee , Samarpita Ray

Cartesian differential categories were introduced to provide an abstract axiomatization of categories of differentiable functions. The fundamental example is the category whose objects are Euclidean spaces and whose arrows are smooth maps.…

Category Theory · Mathematics 2014-05-28 Richard Blute , Robin Cockett , Robert Seely

We show that contrary to common belief in the DisCoCat community, a monoidal category is all that is needed to define a categorical compositional model of natural language. This relies on a construction which freely adds adjoints to a…

Category Theory · Mathematics 2020-09-16 Antonin Delpeuch

Considering a (co)homology theory $\mathbb{T}$ on a base category $\mathcal{C}$ as a fragment of a first-order logical theory we here construct an abelian category $\mathcal{A}[\mathbb{T}]$ which is universal with respect to models of…

Algebraic Geometry · Mathematics 2018-04-16 L. Barbieri-Viale

This is the fourth (and last) prepublication version of a book on derived categories, that will be published by Cambridge University Press. The purpose of the book is to provide solid foundations for the theory of derived categories, and to…

Category Theory · Mathematics 2020-01-07 Amnon Yekutieli

We define and study LNL polycategories, which abstract the judgmental structure of classical linear logic with exponentials. Many existing structures can be represented as LNL polycategories, including LNL adjunctions, linear exponential…

Category Theory · Mathematics 2024-02-14 Michael Shulman