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We study the class of equimultiple modules. In particular, we prove several criteria for an equimultiple module to be a complete intersection and prove the openness of the equimultiple locus of an ideal module.

Commutative Algebra · Mathematics 2007-08-17 Ana L. Branco Correia , Santiago Zarzuela

The purpose of this paper is to introduce the notion of loop groupoid associated to a groupoid. After studying the general properties of the loop groupoid, we show how this notion provides a very natural geometric interpretation for the…

Algebraic Topology · Mathematics 2007-05-23 Ernesto Lupercio , Bernardo Uribe

In this paper we develop a general theory of modules which are invariant under automorphisms of their covers and envelopes. When applied to specific cases like injective envelopes, pure-injective envelopes, cotorsion envelopes, projective…

Rings and Algebras · Mathematics 2014-04-29 Pedro A. Guil Asensio , Derya Keskin Tütüncü , Ashish K. Srivastava

In this paper, we construct indecomposable integrally closed modules of arbitrary rank over a two-dimensional regular local ring. The modules are quite explicitly constructed from a given complete monomial ideal. We also give structural and…

Commutative Algebra · Mathematics 2021-12-07 Futoshi Hayasaka

The f-invariant is a higher version of the e-invariant that takes values in the divided congruences between modular forms; it can be formulated as an elliptic genus of manifolds with corners of codimension two. In this thesis, we develop a…

Differential Geometry · Mathematics 2009-09-22 Hanno von Bodecker

In this article, we propose a few sufficient conditions on polynomials having integer coefficients all of whose zeros lie outside a closed disc centered at the origin in the complex plane and deduce the irreducibility over the ring of…

Number Theory · Mathematics 2019-08-23 Jitender Singh , Sanjeev Kumar

The rationality of the parafermion vertex operator algebra associated to any finite dimensional simple Lie algebra and any nonnegative integer is established and the irreducible modules are determined.

Quantum Algebra · Mathematics 2016-10-18 Chongying Dong , Li Ren

In this paper we give elementary conditions completely characterising when the theory of modules of a Pr\"ufer domain is decidable. Using these results, we show that the theory of modules of the ring of integer valued polynomials is…

Logic · Mathematics 2024-12-17 Lorna Gregory

Differentiable real function reproducing primes up to a given number and having a differentiable inverse function is constructed. This inverse function is compared with the Riemann-Von Mangoldt exact expression for the number of primes not…

Number Theory · Mathematics 2007-05-23 Lumomir Alexandrov , D. B. Baranov , Plamen Yotov

This thesis intends to make a contribution to the theories of algebraic cycles and moduli spaces over the real numbers. In the study of the subvarieties of a projective algebraic variety, smooth over the field of real numbers, the cycle…

Algebraic Geometry · Mathematics 2022-11-08 Olivier de Gaay Fortman

Recently, D. S. Kim and T. Kim have studied applications of um- bral calculus associated with p-adic invariant integrals on Zp (see [6]). In this paper, we investigate some interesting properties arising from umbral calculus. These…

Number Theory · Mathematics 2012-12-12 Dae San Kim , Taekyun Kim

We show that abelian surfaces (and consequently curves of genus 2) over totally real fields are potentially modular. As a consequence, we obtain the expected meromorphic continuation and functional equations of their Hasse--Weil zeta…

Number Theory · Mathematics 2021-11-30 George Boxer , Frank Calegari , Toby Gee , Vincent Pilloni

The probability content of a convex polyhedron with a multivariate normal distribution can be regarded as a real analytic function. We give a system of linear partial differential equations with polynomial coefficients for the function and…

Classical Analysis and ODEs · Mathematics 2015-07-31 Tamio Koyama

The deformation bicomplex of a module-algebra over a bialgebra is constructed. It is then applied to study algebraic deformations in which both the module structure and the algebra structure are deformed. The cases of module-coalgebras,…

Algebraic Topology · Mathematics 2008-12-07 Donald Yau

Algebraic deformations of modules over a ring are considered. The resulting theory closely resembles Gerstenhaber's deformation theory of associative algebras.

Commutative Algebra · Mathematics 2007-05-23 Donald Yau

Blowing up a rational surface singularity in a reflexive module gives a (any) partial resolution dominated by the minimal resolution. The main theorem shows how deformations of the pair (singularity, module) relates to deformations of the…

Algebraic Geometry · Mathematics 2019-01-21 Trond Stølen Gustavsen , Runar Ile

The article is devoted to affine and wrap algebras over quaternions and octonions. Residues of functions of quaternion and octonion variables are studied. They are used for construction of such algebras. Their structure is investigated.

Complex Variables · Mathematics 2018-12-18 S. V. Ludkovsky

The M{\"o}bius transform is a crucial transformation into the Boolean world; it allows to change the Boolean representation between the True Table and Algebraic Normal Form. In this work, we introduce a new algebraic point of view of this…

Data Structures and Algorithms · Computer Science 2020-04-24 Morgan Barbier , Hayat Cheballah , Jean-Marie Le Bars

A Q-manifold is a supermanifold equipped with an odd vector field that squares to zero. The notion of the modular class of a Q-manifold -- which is viewed as the obstruction to the existence of a Q-invariant Berezin volume -- is not well…

Differential Geometry · Mathematics 2018-01-12 Andrew James Bruce

In this paper, we develop 2-dimensional algebraic theory which closely follows the classical theory of modules. The main results are giving definitions of 2-module and the representation of 2-ring. Moreover, for a 2-ring $\cR$, we prove…

Category Theory · Mathematics 2015-03-17 Fang Huang , Shao-Han Chen , Wei Chen , Zhu-Jun Zheng