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Cartesian differential categories are categories equipped with a differential combinator which axiomatizes the directional derivative. Important models of Cartesian differential categories include classical differential calculus of smooth…

Category Theory · Mathematics 2023-06-22 Mario Alvarez-Picallo , Jean-Simon Pacaud Lemay

Cartesian differential categories are categories equipped with a differential combinator which axiomatizes the directional derivative. Important models of Cartesian differential categories include classical differential calculus of smooth…

Logic in Computer Science · Computer Science 2020-07-23 Mario Alvarez-Picallo , Jean-Simon Pacaud Lemay

We revisit the definition of Cartesian differential categories, showing that a slightly more general version is useful for a number of reasons. As one application, we show that these general differential categories are comonadic over…

Category Theory · Mathematics 2015-04-22 G. S. H. Cruttwell

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 exhibit the cartesian differential categories of Blute, Cockett and Seely as a particular kind of enriched category. The base for the enrichment is the category of commutative monoids -- or in a straightforward generalisation, the…

Category Theory · Mathematics 2025-08-26 Richard Garner , Jean-Simon Pacaud Lemay

Cartesian difference categories are a recent generalisation of Cartesian differential categories which introduce a notion of "infinitesimal" arrows satisfying an analogue of the Kock-Lawvere axiom, with the axioms of a Cartesian…

Logic in Computer Science · Computer Science 2020-12-01 Mario Alvarez-Picallo , C. -H. Luke Ong

Cartesian differential categories come equipped with a differential combinator which axiomatizes the fundamental properties of the total derivative from differential calculus. The objective of this paper is to understand when the Kleisli…

Category Theory · Mathematics 2024-02-14 Jean-Simon Pacaud Lemay

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

Cartesian differential categories come equipped with a differential combinator that formalizes the directional derivative from multivariable calculus. Cartesian differential categories provide a categorical semantics of the differential…

Logic in Computer Science · Computer Science 2022-11-04 Jean-Simon Pacaud Lemay

The categorical models of the differential lambda-calculus are additive categories because of the Leibniz rule which requires the summation of two expressions. This means that, as far as the differential lambda-calculus and differential…

Logic in Computer Science · Computer Science 2021-11-30 Thomas Ehrhard

We prove that the category of vector bundles over a fixed smooth manifold and its corresponding category of convenient modules are models for intuitionistic differential linear logic. The exponential modality is modelled by composing the…

Logic in Computer Science · Computer Science 2021-02-10 James Wallbridge

Differential categories were introduced to provide a minimal categorical doctrine for differential linear logic. Here we revisit the formalism and, in particular, examine the two different approaches to defining differentiation which were…

Category Theory · Mathematics 2019-05-08 R. F. Blute , J. R. B. Cockett , J-S. Pacaud Lemay , R. A. G. Seely

Derivations provide a way of transporting ideas from the calculus of manifolds to algebraic settings where there is no sensible notion of limit. In this paper, we consider derivations in certain monoidal categories, called codifferential…

Category Theory · Mathematics 2015-05-04 Richard Blute , Rory B. B. Lucyshyn-Wright , Keith O'Neill

Differential categories were introduced by Blute, Cockett, and Seely as categorical models of differential linear logic and have since lead to abstract formulations of many notions involving differentiation such as the directional…

Category Theory · Mathematics 2019-01-23 Jean-Simon P. Lemay

In 2017, Bauer, Johnson, Osborne, Riehl, and Tebbe (BJORT) showed that the Abelian functor calculus provides an example of a Cartesian differential category. The definition of a Cartesian differential category is based on a differential…

Category Theory · Mathematics 2022-02-21 Robin Cockett , Jean-Simon Pacaud Lemay

We conservatively extend classical elementary differential calculus to the Cartesian closed category of convergence spaces. By specializing results about the convergence space representation of directed graphs, we use Cayley graphs to…

Discrete Mathematics · Computer Science 2015-05-05 Daniel R. Patten , Howard A. Blair , David W. Jakel , Robert J. Irwin

Following the pattern from linear logic, the coKleisli category of a differential category is a Cartesian differential category. What then is the coEilenberg-Moore category of a differential category? The answer is a tangent category! A key…

Category Theory · Mathematics 2019-10-15 Robin Cockett , Jean-Simon Pacaud Lemay , Rory B. B. Lucyshyn-Wright

Cartesian differential categories come equipped with a differential operator which formalises the total derivative from multivariable calculus. Cofree Cartesian differential categories always exist over a specified base category, where the…

Category Theory · Mathematics 2025-08-13 Jean-Simon Pacaud Lemay

A differential category is an additive symmetric monoidal category, that is, a symmetric monoidal category enriched over commutative monoids, with an algebra modality, axiomatizing smooth functions, and a deriving transformation on this…

Category Theory · Mathematics 2025-10-08 Jean-Baptiste Vienney

Differential lambda-categories were introduced by Bucciarelli et al. as models for the simply typed version of the differential lambda-calculus of Ehrhard and Regnier. A differential lambda-category is a cartesian closed differential…

Category Theory · Mathematics 2012-02-28 Oleksandr Manzyuk
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