Commutative algebra

Results: 645



#Item
511Group scheme / Barsotti–Tate group / Étale morphism / Spectrum of a ring / Flat topology / Frobenius endomorphism / Flat module / Grothendieck topology / Commutative ring / Abstract algebra / Algebra / Algebraic geometry

Workshop on group schemes and p-divisible groups: Homework[removed]i) Using the structure theorem and Frobenius morphisms, prove that a finite group scheme over a field is killed by its order. (Exer. 3(ii) in HW1 gives a

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Source URL: math.stanford.edu

Language: English - Date: 2005-05-26 17:44:58
512Commutative algebra / Ring theory / Homological algebra / Algebraic structures / Depth / Finitely-generated module / Associated prime / Noetherian ring / Krull dimension / Abstract algebra / Algebra / Module theory

THE ASSOCIATED PRIMES OF LOCAL COHOMOLOGY MODULES OVER RINGS OF SMALL DIMENSION Thomas Marley† Abstract. Let R be a commutative Noetherian local ring of dimension d, I an ideal of R, and M a finitely generated R-module

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Source URL: www.math.unl.edu

Language: English - Date: 2001-01-19 11:20:48
513Cyclic group / Sheaf / Filter / Abelian group / Abstract algebra / Algebra / Algebraic topology

FINITE-ORDER AUTOMORPHISMS OF A CERTAIN TORUS BRIAN CONRAD 1. Introduction A classical result of Higman [H], [S, Exer. 6.3], asserts that the roots of unity in the group ring Z[Γ] of a finite commutative group Γ are th

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Source URL: math.stanford.edu

Language: English - Date: 2004-08-10 16:47:17
514Commutative algebra / Ring theory / Algebraic structures / Homological algebra / Graded algebra / Module / Noetherian ring / Lasker–Noether theorem / Ideal / Abstract algebra / Algebra / Module theory

GRADED RINGS AND MODULES Tom Marley Throughout these notes, all rings are assumed to be commutative with identity. §1. Definitions and examples

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Source URL: www.math.unl.edu

Language: English - Date: 2001-02-02 11:06:19
515Commutative algebra / Homological algebra / Homological conjectures in commutative algebra / Finitely-generated module / Projective module / Torsion / Depth / Module / Associated prime / Abstract algebra / Algebra / Module theory

Math 918: The Homological Conjectures Spring Semester 2009 This document contains notes for a course taught by Tom Marley during the 2009 spring semester at the University of Nebraska-Lincoln. The notes loosely follow th

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Source URL: www.math.unl.edu

Language: English - Date: 2009-08-05 16:24:10
516Commutative algebra / Homological algebra / Projective module / Representation theory / Finitely-generated module / Nakayama lemma / Abstract algebra / Algebra / Module theory

A THEOREM OF GRUSON BRIAN JOHNSON 1. Gruson’s Theorem This is based on a proof of the result given in [4]. Let A be a commutative ring, M a finitely generated A-module, and

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Source URL: www.math.unl.edu

Language: English - Date: 2009-08-11 16:19:46
517Commutative algebra / Module theory / Algebras / Torsion / Separable algebra / Finite field / Integral element / Field extension / Field / Abstract algebra / Field theory / Homological algebra

A THEOREM OF HOCHSTER AND HUNEKE CONCERNING TIGHT CLOSURE AND HILBERT-KUNZ MULTIPLICITY LORI MCDONNELL Abstract. We provide a (mostly) self-contained treatment of Hochster and Huneke’s theorem characterizing Hilbert-Ku

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Source URL: www.math.unl.edu

Language: English - Date: 2009-07-31 13:13:14
518Ring theory / Algebraic structures / Module theory / Algebraic geometry / Gorenstein ring / Cohen–Macaulay ring / Depth / Regular sequence / Module / Abstract algebra / Algebra / Commutative algebra

GORENSTEIN RINGS AND IRREDUCIBLE PARAMETER IDEALS THOMAS MARLEY, MARK W. ROGERS, AND HIDETO SAKURAI Dedicated to Professor Shiro Goto on the occasion of his sixtieth birthday Abstract. Given a Noetherian local ring (R, m

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Source URL: www.math.unl.edu

Language: English - Date: 2006-09-27 11:27:30
519Algebraic structures / Commutative algebra / Module theory / Homological algebra / Ring / Module / Commutative ring / Polynomial ring / Ideal / Abstract algebra / Algebra / Ring theory

Index Cofactor of a matrix, 62 Comaximal ideals, 108, 120 Commutative ring, 37 Complex numbers, 1, 40, 46, 47, 97, 104 Conjugate, 64

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Source URL: www.math.miami.edu

Language: English - Date: 2004-03-18 17:56:57
520Linear algebra / Semigroup theory / Matrix theory / Rauzy fractal / Monoid / Matrix / Integer matrix / Determinant / Unimodular / Algebra / Mathematics / Matrices

GEOMETRIC MODELS OF PISOT SUBSTITUTIONS AND NON-COMMUTATIVE ARITHMETIC Pierre Arnoux Unimodular Substitutions on 2 letters. Conjecture: the dynamical system

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Source URL: www.math.iupui.edu

Language: English - Date: 2002-01-16 20:28:23
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