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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 common to encounter symmetric monoidal categories $\mathcal{C}$ for which every object is equipped with an algebraic structure, in a way that is compatible with the monoidal product and unit in $\mathcal{C}$. We define this formally…

Category Theory · Mathematics 2020-05-06 Brendan Fong , David I Spivak

A general construction of Knop creates a symmetric monoidal category $\mathcal{T}(\mathcal{A},\delta)$ from any regular category $\mathcal{A}$ and a fixed degree function $\delta$. A special case of this construction are the Deligne…

Representation Theory · Mathematics 2024-07-08 Inna Entova-Aizenbud , Thorsten Heidersdorf

We show that the category of Poisson manifolds and Poisson maps, the category of symplectic microgroupoids and lagrangian submicrogroupoids (as morphisms), and the category of monoids and monoid morphisms in the microsymplectic category are…

Symplectic Geometry · Mathematics 2020-03-13 Alberto S. Cattaneo , Benoit Dherin , Alan Weinstein

In this paper we put a cofibrantly generated model category structure on the category of small simplicial categories. The weak equivalences are a simplicial analogue of the notion of equivalence of categories.

Algebraic Topology · Mathematics 2007-05-23 Julia E. Bergner

We exhibit a Quillen equivalence between two model categories encoding the homotopy theory of stratified spaces : the model category of filtered simplicial sets, and that of filtered spaces. Additionally, we introduce a new class of…

Algebraic Topology · Mathematics 2021-02-10 Sylvain Douteau

We prove that the 2-category of skeletally small abelian categories with exact monoidal structures is anti-equivalent to the 2-category of fp-hom-closed definable additive categories satisfying an exactness criterion. For a fixed finitely…

Representation Theory · Mathematics 2020-10-26 Rose Wagstaffe

Let $\mathscr{M}$ be a combinatorial and left proper model category, possibly with a monoidal structure. If $\mathscr{O}$ is either a monad on $\mathscr{M}$ or an operad enriched over $\mathscr{M}$, define a QS-algebra in $\mathscr{M}$ to…

Algebraic Topology · Mathematics 2014-07-01 Hugo V. Bacard

It is shown that all the assumptions for symmetric monoidal categories flow out of a unifying principle involving natural isomorphisms of the type ${(A\otimes B)\otimes(C\otimes D)\to(A\otimes C)\otimes(B\otimes D)}$, called medial…

Category Theory · Mathematics 2007-05-23 K. Dosen , Z. Petric

In here we define the concept of fibered symmetric bimonoidal categories. These are roughly speaking fibered categories D->C whose fibers are symmetric monoidal categories parametrized by C and such that both D and C have a further…

Algebraic Topology · Mathematics 2009-05-20 Jose Manuel Gomez

We prove that the marked triangulation functor from the category of marked cubical sets equipped with a model structure for ($n$-trivial, saturated) comical sets to the category of marked simplicial set equipped with a model structure for…

Algebraic Topology · Mathematics 2025-12-23 Brandon Doherty , Chris Kapulkin , Yuki Maehara

In this paper we describe two ways on which cofibred categories give rise to bisimplicial sets. The "fibred nerve" is a natural extension of Segal's classical nerve of a category, and it constitutes an alternative simplicial description of…

Algebraic Topology · Mathematics 2013-01-14 Matias L. del Hoyo

We introduce rigid algebras, a generalization of rigid categories to arbitrary symmetric monoidal $(\infty,2)$-categories. We develop their general theory, showing in particular that the a priori $(\infty,2)$-category of rigid algebras is…

Category Theory · Mathematics 2026-05-25 Leor Neuhauser

A multicategory is what remains of a monoidal category when monoidal product is not available. A weak multicategory means that hom-sets are in fact categories, and in place of usual equations, there are natural isomorphisms, which have to…

Category Theory · Mathematics 2025-12-11 Volodymyr Lyubashenko

We prove that any right Quillen functor between arbitrary model categories admits non trivial functorial factorizations that are similar to those of a model structure. We also prove that these factorizations can be made for lax monoidal…

Algebraic Topology · Mathematics 2020-06-16 Hugo Bacard

Monoidal closed categories naturally model NMILL, non-commutative multiplicative intuitionistic linear logic: the monoidal unit and tensor interpret the multiplicative verum and conjunction; the internal hom interprets linear implication.…

Logic in Computer Science · Computer Science 2022-04-15 Tarmo Uustalu , Niccolò Veltri , Cheng-Syuan Wan

We show that Segal's K-theory of symmetric monoidal categorizes can be factored through Waldhausen categories. In particular, given a symmetric monoidal category $C$, we produce a Waldhausen category $\Gamma(C)$ whose K-theory is weakly…

K-Theory and Homology · Mathematics 2026-03-13 Maxine E. Calle , David Chan

A pointed fusion category is a rigid tensor category with finitely many isomorphism classes of simple objects which moreover are invertible. Two tensor categories $C$ and $D$ are weakly Morita equivalent if there exists an indecomposable…

Algebraic Topology · Mathematics 2021-03-08 Bernardo Uribe

We put a monoidal model category structure on the category of chain complexes of quasi-coherent sheaves over a quasi-compact and semi-separated scheme X. The approach generalizes and simplifies methods used by the author to build monoidal…

Algebraic Topology · Mathematics 2007-05-23 James Gillespie

It has long been known that every weak monoidal category A is equivalent via monoidal functors and monoidal natural transformations to a strict monoidal category st(A). We generalise the definition of weak monoidal category to give a…

Category Theory · Mathematics 2007-05-23 Miles Gould
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