Algebraic topology

Results: 2166



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591Order theory / Lattice theory / Algebraic structures / General topology / Functions and mappings / Distributive lattice / Ideal / Filter / Boolean algebra / Mathematics / Abstract algebra / Structure

Joseph MuscatOrdered Sets The morphisms on a relation (digraph)

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Source URL: staff.um.edu.mt

Language: English - Date: 2012-11-15 05:04:30
592Geometric group theory / Group theory / Algebraic topology / Homotopy theory / Category theory / Bass–Serre theory / Fundamental group / Simplicial set / Real tree / Abstract algebra / Mathematics / Algebra

NEW EXAMPLES OF GROUPS ACTING ON REAL TREES ASHOT MINASYAN Abstract. We construct the first example of a finitely generated group which has Serre’s property (FA) (i.e., whenever it acts on a simplicial tree it fixes a

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Source URL: www.personal.soton.ac.uk

Language: English - Date: 2014-04-05 06:16:22
593Adjacency matrix / Graph / Laplacian matrix / Regular graph / Random graph / Topology / Directed graph / Degree / Random walk / Graph theory / Mathematics / Algebraic graph theory

Mixing time of random walks on graphs Min Chen Mathematics Department, University of York Supervisor: Keith Briggs Complexity research group, BT, Martlesham

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Source URL: keithbriggs.info

Language: English - Date: 2006-07-31 07:52:48
594Sheaf theory / Functors / Algebraic geometry / Homological algebra / Sheaf / Gluing axiom / Grothendieck topology / Functor / Topos / Category theory / Abstract algebra / Mathematics

SITES AND SHEAVES Contents.

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Source URL: stacks.math.columbia.edu

Language: English - Date: 2015-04-15 15:08:29
595Fibred category / Functor / Sheaf / Algebraic stack / Grothendieck topology / Subcategory / Morphism / Category / Groupoid / Abstract algebra / Category theory / Mathematics

STACKS Contents 1. Introduction 2. Presheaves of morphisms associated to fibred categories 3. Descent data in fibred categories

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Source URL: stacks.math.columbia.edu

Language: English - Date: 2015-04-15 15:08:29
596Sheaf / Function / Cluster analysis / Data mining / Mathematics / Algebraic topology / Submodular set function

Information Cartography: Creating Zoomable, Large-Scale Maps of Information Dafna Shahaf, Jaewon Yang, Caroline Suen, Jeff Jacobs, Heidi Wang, Jure Leskovec Stanford University {dshahaf, crucis, cysuen, jjacobs3, hjw, j

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Source URL: infolab.stanford.edu

Language: English - Date: 2013-06-13 15:58:45
597Topology / Homotopy theory / Algebraic topology / Simplicial set / Sheaf / Kan fibration / Grothendieck topology / Functor / Universal property / Abstract algebra / Category theory / Mathematics

SIMPLICIAL METHODS Contents 1. Introduction 2. The category of finite ordered sets 3. Simplicial objects

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Source URL: stacks.math.columbia.edu

Language: English - Date: 2015-04-15 15:08:37
598Commutative algebra / Algebraic structures / Polynomials / Algebraic topology / Polynomial ring / Ring / Divided power structure / Sheaf / Ideal / Abstract algebra / Algebra / Ring theory

DIVIDED POWER ALGEBRA Contents 1. Introduction 2. Divided powers 3. Divided power rings

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Source URL: stacks.math.columbia.edu

Language: English - Date: 2015-04-15 15:08:47
599Algebraic topology / Homotopy theory / Differential topology / Orbifold / Representation theory of Lie groups / Fundamental group / Covering space / Weight / Linear map / Abstract algebra / Mathematics / Algebra

SUBDIVISION RULES AND VIRTUAL ENDOMORPHISMS J. W. CANNON, W. J. FLOYD, W. R. PARRY, AND K. M. PILGRIM Abstract. Suppose f : S 2 → S 2 is a postcritically finite branched covering without periodic branch points. If f is

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Source URL: www.math.vt.edu

Language: English - Date: 2009-06-09 14:36:42
600Algebraic topology / Homological algebra / Functors / Sheaf theory / Sheaf / Grothendieck topology / Gluing axiom / Functor / Initial and terminal objects / Abstract algebra / Category theory / Mathematics

HYPERCOVERINGS Contents 1. Introduction 2. Hypercoverings 3. Acyclicity

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Source URL: stacks.math.columbia.edu

Language: English - Date: 2015-04-22 10:42:40
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