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We continue the study of enriched infinity categories, using a definition equivalent to that of Gepner and Haugseng. In our approach enriched infinity categories are associative monoids in an especially designed monoidal category of…

Category Theory · Mathematics 2021-07-06 V. Hinich

We make a study of ll-extensions of model category structures. We prove an existence result of ll-extensions, present some specific and some rather formal results about them and give an application of the existence result to the homotopy…

Category Theory · Mathematics 2013-03-07 Alexandru E. Stanculescu

In this work we define formal grammars in terms of free monoidal categories, along with a functor from the category of formal grammars to the category of automata. Generalising from the Booleans to arbitrary semirings, we extend our…

Formal Languages and Automata Theory · Computer Science 2020-01-13 Dan Shiebler , Alexis Toumi , Mehrnoosh Sadrzadeh

This paper introduces the concept of distorted monoidal categories, a generalization of monoidal and braided monoidal categories that supports non-reversible and direction-sensitive tensor structures. Unlike the classical setting, where the…

Category Theory · Mathematics 2025-11-25 Joaquim Reizi Higuchi

It is well-known that small categories have equivalent descriptions as partial monoids. We provide a formulation of partial monoid and partial monoid homomorphism involving $s$ and $t$ instead of identities and then following a recent…

Category Theory · Mathematics 2015-03-02 Rachel A. D. Martins

We define the affinization of an arbitrary monoidal category $\mathcal{C}$, corresponding to the category of $\mathcal{C}$-diagrams on the cylinder. We also give an alternative characterization in terms of adjoining dot generators to…

Category Theory · Mathematics 2021-11-12 Youssef Mousaaid , Alistair Savage

We introduce the notion of a categorical valuative invariant of polyhedra or matroids, in which alternating sums of numerical invariants are replaced by split exact sequences in an additive category. We provide categorical lifts of a number…

Combinatorics · Mathematics 2024-10-23 Ben Elias , Dane Miyata , Nicholas Proudfoot , Lorenzo Vecchi

We construct a compact closed category out of any symmetric monoidal category by freely adding adjoints to its objects. The morphisms of the completion are defined as string diagrams annotated by objects and morphisms from the original…

Category Theory · Mathematics 2022-01-24 Antonin Delpeuch

We thoroughly treat several familiar and less familiar definitions and results concerning categories, functors and distributors enriched in a base quantaloid Q. In analogy with V-category theory we discuss such things as adjoint functors,…

Category Theory · Mathematics 2007-05-23 Isar Stubbe

The purpose of this note is to show that, if $\mathcal{V}$ is a closed monoidal category, the following three notions are equivalent. (1) Category with $\mathcal{V}$-structure and cylinder. (2) Tensored $\mathcal{V}$-category. (3)…

Category Theory · Mathematics 2014-04-17 Seunghun Lee

Let $\mathscr C$ be a Krull-Schmidt $(n+2)$-angulated category and $\mathscr A$ be an $n$-extension closed subcategory of $\mathscr C$. Then $\mathscr A$ has the structure of an $n$-exangulated category in the sense of…

Representation Theory · Mathematics 2023-02-07 Panyue Zhou

In this extended note we give a precise definition of fully extended topological field theories \`a la Lurie. Using complete $n$-fold Segal spaces as a model, we construct an $(\infty,n)$-category of $n$-dimensional cobordisms, possibly…

Algebraic Topology · Mathematics 2019-03-20 Damien Calaque , Claudia Scheimbauer

This article is intended as a reference guide to various notions of monoidal categories and their associated string diagrams. It is hoped that this will be useful not just to mathematicians, but also to physicists, computer scientists, and…

Category Theory · Mathematics 2012-07-31 Peter Selinger

We show that the $K$-theory construction of arXiv:math/0403403, which preserves multiplicative structure, extends to a symmetric monoidal closed bicomplete source category, with the multiplicative structure still preserved. The source…

K-Theory and Homology · Mathematics 2014-10-01 A. D. Elmendorf , M. A. Mandell

In this paper we study grouplike monoids, these are monoids that contain a group to which we add an ordered set of idempotents. We classify finite categories with two objects having grouplike endomorphism monoids, and we give a count of…

Category Theory · Mathematics 2022-10-10 Najwa Ghannoum

In this paper, we show another proof of the problem by constructing a strict monoidal category M(C) consisting of M-functors and M-morphisms of a category C and we prove C is equivalent to it. The proof is based on a basic character of…

Category Theory · Mathematics 2011-05-26 Nguyen Tien Quang , Pham Le Hong Anh

I describe a generalization of the notion of operadic category due to Batanin and Markl. For each such operadic category I describe a skew monoidal category of collections, such that a monoid in this skew monoidal category is precisely an…

Category Theory · Mathematics 2019-07-08 Stephen Lack

In the well-known settings of category theory enriched in a monoidal category V, the use of V-enriched functor categories and bifunctors demands that V be equipped with a symmetry, braiding, or duoidal structure. In this paper, we establish…

Category Theory · Mathematics 2026-05-08 Rory B. B. Lucyshyn-Wright

The derived category $D[C,V]$ of the Grothendieck category of enriched functors $[C,V]$, where $V$ is a closed symmetric monoidal Grothendieck category and $C$ is a small $V$-category, is studied. We prove that if the derived category…

Category Theory · Mathematics 2018-10-12 Grigory Garkusha , Darren Jones

Braided-enriched monoidal categories were introduced in work of Morrison-Penneys, where they were characterized using braided central functors. Recent work of Kong-Yuan-Zhang-Zheng and Dell extended this characterization to an equivalence…

Category Theory · Mathematics 2022-09-02 Zachary Dell , Peter Huston , David Penneys
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