Homological algebra

Results: 899



#Item
781Algebra / Algebraic topology / Homology theory / Cohomology / Cohomology theories / Homology / Universal coefficient theorem / Chain complex / Sheaf / Abstract algebra / Homological algebra / Topology

Cohomology is an algebraic variant of homology, the result of a simple dualization in the definition. Not surprisingly, the cohomology groups H i (X) satisfy axioms much like the axioms for homology, except that induced homomorphisms go in the opposite direction as a result of the dualization. The basic distinction between homology and cohomology is thus that cohomology groups are contravariant functors while

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Source URL: www.math.cornell.edu

Language: English - Date: 2013-07-18 16:41:10
782Algebraic topology / Homotopy theory / Homological algebra / Sheaf theory / Group theory / Sheaf / Classifying space / Cohomology / Eilenberg–MacLane space / Abstract algebra / Topology / Algebra

highertopoi March 10, 2012

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Source URL: www.math.harvard.edu

Language: English - Date: 2012-03-10 18:23:37
783Algebraic topology / Homology theory / Homological algebra / Group theory / Samuel Eilenberg / Cohomology / Eilenberg–Moore spectral sequence / Eilenberg–MacLane space / Eilenberg–Steenrod axioms / Abstract algebra / Mathematics / Topology

Wiad. Mat[removed], 185–197 © 2012 Polskie Towarzystwo Matematyczne

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Source URL: www.math.uchicago.edu

Language: English - Date: 2012-12-06 23:09:56
784Algebraic geometry / Homological algebra / Cohomology theories / Homology theory / Motive / Motivic cohomology / Cohomology / Sheaf / Alexander Grothendieck / Abstract algebra / Algebraic topology / Mathematics

Lecture notes on motivic cohomology Carlo Mazza Vladimir Voevodsky

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Source URL: www.math.rutgers.edu

Language: English - Date: 2006-07-20 06:21:09
785Homological algebra / Sheaf theory / Fields Medalists / Algebraic geometry / Scheme theory / Alexander Grothendieck / Sheaf / Scheme / Séminaire de Géométrie Algébrique du Bois Marie / Abstract algebra / Mathematics / Algebra

REMINISCENCES OF GROTHENDIECK AND HIS SCHOOL LUC ILLUSIE, WITH SPENCER BLOCH, VLADIMIR DRINFELD, ET AL.

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Source URL: www.math.uchicago.edu

Language: English - Date: 2010-02-15 00:28:53
786Algebraic topology / Cohomology theories / Homological algebra / Differential forms / Cohomology / Cup product / Mayer–Vietoris sequence / Duality / Sheaf / Abstract algebra / Algebra / Homology theory

Poincar´ e Duality

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Source URL: www.math.cornell.edu

Language: English - Date: 2003-12-07 14:23:52
787Homological algebra / Algebraic number theory / Cohomology theories / Algebraic structures / Group cohomology / Cohomology / Abelian group / Group extension / Group homomorphism / Abstract algebra / Algebra / Group theory

A Cohomological Viewpoint on Elementary School Arithmetic Daniel C. Isaksen The American Mathematical Monthly, Vol. 109, No. 9. (Nov., 2002), pp[removed].

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Source URL: www.math.wayne.edu

Language: English - Date: 2007-12-11 21:11:10
788Group theory / Homological algebra / Cohomology theories / Algebraic number theory / Tate–Shafarevich group / Étale cohomology / Selmer group / Elliptic curve / Galois module / Abstract algebra / Algebra / Number theory

Weil–Châtelet divisible elements in Tate–Shafarevich groups I: The Bashmakov problem for elliptic curves over Q

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Source URL: www.ma.utexas.edu

Language: English - Date: 2013-05-24 16:27:49
789Homological algebra / Nicolas Bourbaki / Algebraic topology / William Lawvere / Topos / General topology / Colin McLarty / Alexander Grothendieck / Sheaf / Category theory / Mathematics / Abstract algebra

Brit. J. Phil. Sci. 41 (I 9901, 3 5 I[removed]Printed in Great Britain The Uses and Abuses of the

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Source URL: www.cwru.edu

Language: English - Date: 2011-07-29 14:32:41
790Field theory / Field extension / Algebraic number field / Prime number / Group theory / Homological algebra / Group cohomology / Wreath product / Abstract algebra / Algebra / Algebraic number theory

Hamburger Beiträge zur Mathematik Nr[removed]April 2007

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Source URL: www.math.uni-hamburg.de

Language: English - Date: 2007-04-17 05:21:40
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