Exact sequence

Results: 62



#Item
21DNA / Science / Physics / Sequence motif / Bioinformatics / Position-specific scoring matrix / Matrix

Motif Discovery Upper Bound An Upper Bound on the Hardness of Exact Matrix Based Motif Discovery Paul Horton & Wataru Fujibuchi Computational Biology Research Center Tokyo, Japan

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Source URL: www.cs.ucr.edu

Language: English - Date: 2005-07-08 16:23:24
22D-module / Module / Graded algebra / Chain complex / Exact sequence / Spectral sequence / Group cohomology / Abstract algebra / Algebra / Homological algebra

DIFFERENTIAL GRADED ALGEBRA Contents 1. Introduction 2. Conventions 3. Differential graded algebras

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Source URL: stacks.math.columbia.edu

Language: English - Date: 2015-04-22 10:42:40
23Homological algebra / Additive categories / Isomorphism theorems / Snake lemma / Exact sequence / Epimorphism / Cokernel / Abelian category / Image / Abstract algebra / Category theory / Mathematics

HOMOLOGICAL ALGEBRA Contents 1. Introduction 2. Basic notions 3. Preadditive and additive categories

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Source URL: stacks.math.columbia.edu

Language: English - Date: 2015-04-22 10:42:28
24Algebraic topology / Spectral sequence / Closed and exact differential forms / Duality / Cohomology / Vertex operator algebra / Differential form / Abstract algebra / Algebra / Mathematics

´ DUALITY AND DEFORMATIONS OF POINCARE ALGEBRAS BERNHARD HANKE Abstract. Let p be a prime number and X a finite dimensional connected Z/p-CW complex. If H ∗ (X; Fp ) is a Poincar´e duality algebra, then by a

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

Language: English - Date: 2013-12-05 22:03:00
25Spectral sequences / Group theory / Algebraic topology / Functors / Grothendieck spectral sequence / Derived functor / Serre spectral sequence / Group cohomology / Exact functor / Abstract algebra / Algebra / Homological algebra

SPECTRAL SEQUENCES MATTHEW GREENBERG 1. Introduction Definition 1. Let a ≥ 1. An a-th stage spectral (cohomological) sequence consists of the following data:

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Source URL: www.math.mcgill.ca

Language: English - Date: 2008-10-03 11:29:58
26Derived functor / Sheaf / Spectral sequence / Injective module / Projective module / Exact sequence / Homology / Injective object / Projective object / Abstract algebra / Homological algebra / Algebra

Chapter 9 Cohomology and Spectral Sequences This appendix gives a short but intense introduction to cohomology and spectral

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Source URL: www.math.uiuc.edu

Language: English - Date: 2009-06-11 11:55:25
27Category theory / Lemmas / Snake lemma / Five lemma / Exact sequence / Natural transformation / Commutative diagram / Spectral sequence / Homology / Abstract algebra / Homological algebra / Mathematics

Theory and Applications of Categories, Vol. 26, No. 3, 2012, pp. 60–96. ON DIAGRAM-CHASING IN DOUBLE COMPLEXES GEORGE M. BERGMAN Abstract. We construct, for any double complex in an abelian category, certain “short-

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Source URL: www.emis.de

Language: English - Date: 2012-02-08 09:45:00
28Algebra / Ext functor / Hom functor / Functor / Snake lemma / Exact sequence / Category of abelian groups / Derived functor / Approximately finite dimensional C*-algebra / Abstract algebra / Homological algebra / Category theory

Ext Groups and Ext Functors In this note we discuss the Hom and Ext functors and their connection with extensions of Abelian groups. The theory we develop has an analogue in the category of R-modules for any ring R; how

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Source URL: sierra.nmsu.edu

Language: English - Date: 2002-11-26 15:03:54
29Algebraic topology / Spectral sequence / Closed and exact differential forms / Duality / Cohomology / Vertex operator algebra / Differential form / Abstract algebra / Algebra / Mathematics

´ DUALITY AND DEFORMATIONS OF POINCARE ALGEBRAS BERNHARD HANKE Abstract. Let p be a prime number and X a finite dimensional connected Z/p-CW complex. If H ∗ (X; Fp ) is a Poincar´e duality algebra, then by a

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

Language: English - Date: 2013-12-05 22:03:00
30Homological algebra / Spectral sequence / Derived functor / Sheaf / D-module / Exact functor / Adjoint functors / Ext functor / Group cohomology / Abstract algebra / Algebra / Mathematics

Part II. DG-modules and equivariant cohomology. The main purpose of the three sections 10,11,12 is to prove theorem[removed]the detailed algebraic description of the categories Db(pt) and D+(pt) for a connected

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Source URL: www.math.tau.ac.il

Language: English - Date: 2008-09-06 15:25:16
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