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Related papers: Log homotopy types are homotopy types with modulus

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In the first part of this paper we show that path categories are enriched over groupoids, in a way that is compatible with a suitable 2-category of path categories. In the second part we introduce a new notion of homotopy exponential and…

Category Theory · Mathematics 2020-10-28 Martijn den Besten

Cellular resolutions is a well studied topic on the level of single resolutions and certain specific families of cellular resolutions. One question coming out of the work on families is to understand the structure of cellular resolutions…

Commutative Algebra · Mathematics 2019-04-17 Laura Jakobsson

We prove a conjecture of Morel identifying Voevodsky's homotopy invariant sheaves with transfers with spectra in the stable homotopy category which are concentrated in degree zero for the homotopy t-structure and have a trivial action of…

Algebraic Geometry · Mathematics 2010-05-25 Frédéric Déglise

The lambda-Pi-calculus modulo theory is a logical framework in which many type systems can be expressed as theories. We present such a theory, the theory U, where proofs of several logical systems can be expressed. Moreover, we identify a…

Logic in Computer Science · Computer Science 2023-06-22 Frédéric Blanqui , Gilles Dowek , Emilie Grienenberger , Gabriel Hondet , François Thiré

We introduce a notion of total acyclicity associated to a subcategory of an abelian category and consider the Gorenstein objects they define. These Gorenstein objects form a Frobenius category, whose induced stable category is equivalent to…

Rings and Algebras · Mathematics 2019-09-13 Lars Winther Christensen , Sergio Estrada , Peder Thompson

We give sufficient conditions to find all subtypes isomorphic to a subtype in a finite generalized ordered type.

Logic · Mathematics 2025-06-16 Jean S. Joseph

We give a new description of Rosenthal's generalized homotopy fixed point spaces as homotopy limits over the orbit category. This is achieved using a simple categorical model for classifying spaces with respect to families of subgroups.

Algebraic Topology · Mathematics 2018-05-09 Daniel A. Ramras

We give a complete classification of foliations on open contact manifolds whose leaves are contact submanifolds of the ambient manifold. The results are analogues of Haefliger's classification of foliations on open manifold.

Differential Geometry · Mathematics 2014-11-04 Mahuya Datta , Sauvik Mukherjee

A cocycle category H(X,Y) is defined for objects X and Y in a model category, and it is shown that the set of morphisms [X,Y] is isomorphic to the set of path components of H(X,Y) provided the ambient model category is right proper and…

Algebraic Topology · Mathematics 2007-05-23 J. F. Jardine

We consider a category of modules that admit compatible actions of the commutative algebra of Laurent polynomials and the Lie algebra of divergence zero vector fields on a torus and have a weight decomposition with finite dimensional weight…

Representation Theory · Mathematics 2018-09-20 Yuly Billig , John Talboom

We introduce fibred type-theoretic fibration categories which are fibred categories between categorical models of Martin-L\"{o}f type theory. Fibred type-theoretic fibration categories give a categorical description of logical predicates…

Category Theory · Mathematics 2017-09-25 Taichi Uemura

We discuss what it means for a symmetric monoidal category to be a module over a commutative semiring category. Each of the categories of (1) cartesian monoidal categories, (2) semiadditive categories, and (3) connective spectra can be…

Category Theory · Mathematics 2018-08-29 John D. Berman

We survey recent results on the boundedness of the moduli functor of stable pairs

Algebraic Geometry · Mathematics 2017-09-22 Christopher D. Hacon , James McKernan , Chenyang Xu

The proof of the coincidence of the Gysin morphism in motivic cohomology and the usual pushout on Chow groups has been improved (see Lemma 3.3 and Proposition 3.11)

Algebraic Geometry · Mathematics 2010-03-04 Frédéric Déglise

Polynomials in a category have been studied as a generalization of the traditional notion in mathematics. Their construction has recently been extended to higher groupoids, as formalized in homotopy type theory, by Finster, Mimram, Lucas…

Category Theory · Mathematics 2024-12-18 Elies Harington , Samuel Mimram

We study the homotopy type of the simplicial set of continuous semi-algebraic simplexes of an algebraic variety defined over a real closed field, which we will call the real homotopy type. We prove an analogue of the theorem of Artin-Mazur…

Algebraic Geometry · Mathematics 2022-07-05 Ambrus Pál

We develop a theory of sheaves and cohomology on the category of proper modulus pairs. This complements [KMSY21], where a theory of sheaves and cohomology on the category of non-proper modulus pairs has been developed.

Algebraic Geometry · Mathematics 2024-04-17 Bruno Kahn , Hiroyasu Miyazaki , Shuji Saito , Takao Yamazaki

We extend the homotopy theories based on point reduction for finite spaces and simplicial complexes to finite acyclic categories and $\Delta$-complexes, respectively. The functors of classifying spaces and face posets are compatible with…

Algebraic Topology · Mathematics 2017-07-06 Kohei Tanaka

We prove that the $\infty$-category of $\mathrm{MGL}$-modules over any scheme is equivalent to the $\infty$-category of motivic spectra with finite syntomic transfers. Using the recognition principle for infinite $\mathbb{P}^1$-loop spaces,…

Algebraic Geometry · Mathematics 2020-12-23 Elden Elmanto , Marc Hoyois , Adeel A. Khan , Vladimir Sosnilo , Maria Yakerson

We classify module categories over the category of representations of quantum $SL(2)$ in a case when $q$ is not a root of unity. In a case when $q$ is a root of unity we classify module categories over the semisimple subquotient of the same…

Quantum Algebra · Mathematics 2007-05-23 Pavel Etingof , Viktor Ostrik