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Tangent categories provide an axiomatic approach to key structural aspects of differential geometry that exist not only in the classical category of smooth manifolds but also in algebraic geometry, homological algebra, computer science, and…

Differential Geometry · Mathematics 2018-08-29 Rory B. B. Lucyshyn-Wright

Following the concept of topological theory of S.~E.~Rodabaugh, this paper introduces a new approach to (lattice-valued) bornology, which is based in bornological theories, and which is called variety-based bornology. In particular,…

Category Theory · Mathematics 2018-09-13 Jan Paseka , Sergey A. Solovyov

Motivated by applications to duality theorems for $p$-adic pro-\'etale cohomology of rigid analytic spaces, we study the category of Topological Vector Spaces in the setting of condensed mathematics. We prove that it contains, as full…

Algebraic Geometry · Mathematics 2025-11-25 Pierre Colmez , Wiesława Nizioł

Derived categories were invented by Grothendieck and Verdier around 1960, not very long after the "old" homological algebra (of derived functors between abelian categories) was established. This "new" homological algebra, of derived…

K-Theory and Homology · Mathematics 2015-01-28 Amnon Yekutieli

Tangent categories are categories equipped with a tangent functor: an endofunctor with certain natural transformations which make it behave like the tangent bundle functor on the category of smooth manifolds. They provide an abstract…

Category Theory · Mathematics 2017-03-10 J. R. B. Cockett , G. S. H. Cruttwell

In this short note, we classify linear categorified open topological field theories in dimension two by pivotal Grothendieck-Verdier categories, a type of monoidal category equipped with a weak, not necessarily rigid duality. In combination…

Quantum Algebra · Mathematics 2025-08-01 Lukas Müller , Lukas Woike

For any small quantaloid $\Q$, there is a new quantaloid $\D(\Q)$ of diagonals in $\Q$. If $\Q$ is divisible then so is $\D(\Q)$ (and vice versa), and then it is particularly interesting to compare categories enriched in $\Q$ with…

Category Theory · Mathematics 2017-06-21 Dirk Hofmann , Isar Stubbe

We continue the study, begun by the second author in math.AG/0701889, of secant defective manifolds having "simple entry loci". We prove that such manifolds are rational and describe them in terms of tangential projections. Using also our…

Algebraic Geometry · Mathematics 2014-01-14 Paltin Ionescu , Francesco Russo

We study monoidal categories that enjoy a certain weakening of the rigidity property, namely, the existence of a dualizing object in the sense of Grothendieck and Verdier. We call them Grothendieck-Verdier categories. Notable examples…

Quantum Algebra · Mathematics 2012-04-17 Mitya Boyarchenko , Vladimir Drinfeld

We extend to general Cartesian categories the idea of Coherent Differentiation recently introduced by Ehrhard in the setting of categorical models of Linear Logic. The first ingredient is a summability structure which induces a partial…

Logic in Computer Science · Computer Science 2023-06-08 Thomas Ehrhard , Aymeric Walch

For a field $\ef$, the discrete topological vector spaces over $\ \ef$ are essentially of the form $\ef^{\alpha}$ where $\alpha$ is an ordinal. With additional appropriate properties, they are isomorphic to $\ef^{(\beta)}$ where $\beta$ is…

Commutative Algebra · Mathematics 2014-10-24 Ramamonjy Andriamifidisoa

We describe a point-set category of parametrized orthogonal spectra, a model structure on this category, and a separate, more geometric class of cofibrant-and-fibrant objects. The structures we describe are "convenient" in that they are…

Algebraic Topology · Mathematics 2023-05-25 Cary Malkiewich

In a previous paper (PeCa24), the notion of Dirac structure in finite dimension was extended to the convenient setting. In particular, we introduce the notion of \emph{partial Dirac structure on a convenient manifold} and look for which all…

Differential Geometry · Mathematics 2025-08-15 Fernand Pelletier , Patrick Cabau

For a vertex operator algebra $V$, one may naturally define spaces of conformal blocks following a construction of Frenkel-Ben-Zvi generalized by Damiolini-Gibney-Tarasca. If $V$ is strongly rational, these spaces of conformal blocks form…

Quantum Algebra · Mathematics 2025-09-09 Chiara Damiolini , Lukas Woike

The category of monotone determined spaces is an extended topological framework for dcpos in domain theory. We first show that monotone determined spaces are exactly the spaces generated by one-point convergence spaces, and then naturally…

General Topology · Mathematics 2026-05-26 Yuxu Chen , Hui Kou , Zhenchao Lyu

We prove the rationality and irreducibility of the moduli space of mathematical instanton vector bundles of arbitrary rank and charge on $\mathbb P^3$. In particular, the result applies to the rank-2 case. This problem was first studied by…

Algebraic Geometry · Mathematics 2025-05-06 Mihai Halic , Roshan Tajarod

Tangent category theory is a well-established categorical framework for differential geometry. A long list of fundamental geometric constructions, such as the tangent bundle functor, vector fields, Euclidean spaces, and vector bundles have…

Category Theory · Mathematics 2026-01-23 Marcello Lanfranchi

We make precise the analogy between Goodwillie's calculus of functors in homotopy theory and the differential calculus of smooth manifolds by introducing a higher-categorical framework of which both theories are examples. That framework is…

Category Theory · Mathematics 2023-02-28 Kristine Bauer , Matthew Burke , Michael Ching

An unrepresentable cohomological functor of finite type of the bounded derived category of coherent sheaves of a compact complex manifold of dimension greater than one with no proper closed subvariety is given explicitly in categorical…

Algebraic Geometry · Mathematics 2015-05-18 Keiji Oguiso

We propose a convenient category for directed homotopy consisting of preordered topological spaces generated by cubes. Its main advantage is that, like the category of topological spaces generated by simplices suggested by J. H. Smith, it…

Category Theory · Mathematics 2012-05-02 L. Fajstrup , J. Rosicky