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The Quillen-Barr-Beck cohomology of augmented algebras with divided powers is defined as the derived functor of Beck derivations. The main theorem of this paper states that the K\"ahler differentials of an augmented algebra with divided…

Rings and Algebras · Mathematics 2021-05-05 Ioannis Dokas

In this paper we establish relations among the module of high-order derivations of the Hasse-Schmidt algebra and the module of high-order derivations of the base ring.

Commutative Algebra · Mathematics 2023-05-09 Paul Barajas

We introduce higher analytic geometry, a novel framework extending Lurie's derived complex analytic spaces. This theory generalizes classical complex analytic geometry, enabling the study of derived K\"ahler spaces with non-trivial higher…

Algebraic Geometry · Mathematics 2025-07-01 Eita Haibara

We study the higher Frobenius-Schur indicators of modules over semisimple Hopf algebras, and relate them to other invariants as the exponent, the order, and the index. We prove various divisibility and integrality results for these…

Rings and Algebras · Mathematics 2007-05-23 Yevgenia Kashina , Yorck Sommerhaeuser , Yongchang Zhu

Let A be an associative algebra (or any other kind of algebra for that matter). A derivation on A is an endomorphism \del of the underlying Abelian group of A such that \del(ab)=a(\del b)+(\del a)b for all a,b\in A (1.1) A Hasse-Schmidt…

Rings and Algebras · Mathematics 2011-10-28 Michiel Hazewinkel

We introduce a Hilbert $A$-module structure on the higher oscillatory module, where $A$ denotes the $C^*$-algebra of bounded endomorphisms of the basic oscillatory module. We also define the notion of an exterior covariant derivative in an…

Differential Geometry · Mathematics 2015-11-17 Svatopluk Krýsl

We introduce the notion of discrete Baker-Akhiezer (DBA) modules, which are modules over the ring of difference operators, as a certain discretization of Baker-Akhiezer modules which are modules over the ring of differential operators. We…

Mathematical Physics · Physics 2013-02-20 Andrey Mironov , Atsushi Nakayashiki

We study functors underlying derived Hochschild cohomology, also called Shukla cohomology, of a commutative algebra S essentially of finite type and of finite flat dimension over a commutative noetherian ring K. We construct a complex of…

Commutative Algebra · Mathematics 2009-09-18 Luchezar L. Avramov , Srikanth B. Iyengar , Joseph Lipman , Suresh Nayak

We define functors on the derived category of the moduli space M of stable sheaves on a smooth projective surface (under Assumptions A and S below), and prove that these functors satisfy certain relations. These relations allow us to prove…

Algebraic Geometry · Mathematics 2022-01-25 Andrei Neguţ

Higher derivations on an associative algebra generalizes higher order derivatives. We call a tuple consisting of an algebra and a higher derivation on it by an AssHDer pair. We define a cohomology for AssHDer pairs with coefficients in a…

Rings and Algebras · Mathematics 2020-03-20 Apurba Das

This is the second in a series of two papers developing a moduli-theoretic framework for differential ideal sheaves associated with formally integrable, involutive systems of algebraic partial differential equations (PDEs). Building on…

Algebraic Geometry · Mathematics 2025-07-11 Jacob Kryczka , Artan Sheshmani

For any object x in a category C it is possible to define the category of Beck modules over x as the category Ab(C/x) of abelian group objects in the category C/x. We can deduce from this construction, at least for any locally presentable…

Category Theory · Mathematics 2023-04-12 Michel Vaquié

We show that the hypercohomology of the Chevalley-Eilenberg-de Rham complex of a Lie algebroid L over a scheme with coefficients in an L-module can be expressed as a derived functor. We use this fact to study a Hochschild-Serre type…

Rings and Algebras · Mathematics 2017-08-31 Ugo Bruzzo

We introduce a formalism for derived moduli functors on differential graded associative algebras, which leads to non-commutative enhancements of derived moduli stacks and naturally gives rise to structures such as Hall algebras. Descent…

Algebraic Geometry · Mathematics 2020-08-27 J. P. Pridham

In \cite{K} we introduced two variants of higher-order differentials of the period map and showed how to compute them for a variation of Hodge structure that comes from a deformation of a compact K\"ahler manifold. More recently there…

alg-geom · Mathematics 2008-02-03 Yakov Karpishpan

Endomorphisms of the measure algebra of commutative hypergroups are investigated. We focus on derivations and higher order derivations which are closely related to moment function sequences of higher rank. We describe the exact connection…

Functional Analysis · Mathematics 2022-04-18 Zywilla Fechner , Eszter Gselmann , László Székelyhidi

In this paper, we examine the modal aspects of higher groups in Shulman's Cohesive Homotopy Type Theory. We show that every higher group sits within a modal fracture hexagon which renders it into its discrete, infinitesimal, and…

Category Theory · Mathematics 2025-05-06 David Jaz Myers

The purpose of this paper is to present a characterization of sequentially Cohen-Macaulay modules in terms of its Hilbert coefficients with respect to distinguished parameter ideals. The formulas involve arithmetic degrees. Among…

Commutative Algebra · Mathematics 2012-06-28 Nguyen Tu Cuong , Shiro Goto , Hoang Le Truong

We extend some recent results on the differentiability of torsion theories. In particular, we generalize the concept of $(\alpha, \beta)$-derivation to $(\alpha, \beta)$-higher derivation and demonstrate that a filter of a hereditary…

Rings and Algebras · Mathematics 2010-09-14 Lia Vas , Charalampos Papachristou

We study some aspects of conjugation and descent in the context of the irregular Riemann-Hilbert correspondence of D'Agnolo-Kashiwara. First, we give a proof of the fact that Kashiwara's conjugation functor for holonomic D-modules is…

Algebraic Geometry · Mathematics 2025-03-25 Andreas Hohl
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