Homotopy category

Results: 312



#Item
211Homotopy theory / Category theory / Algebraic topology / Group theory / Higher category theory / Groupoid / Seifert–van Kampen theorem / Double groupoid / Group action / Abstract algebra / Mathematics / Algebra

FROM GROUPS TO GROUPOIDS: A BRIEF SURVEY ∗ RONALD BROWN Bull. London Math. Soc[removed][removed]

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Source URL: pages.bangor.ac.uk

Language: English - Date: 2012-04-02 11:09:15
212Homotopy theory / Algebraic topology / Category theory / Differential geometry / Higher category theory / Groupoid / Double groupoid / Seifert–van Kampen theorem / Lie groupoid / Abstract algebra / Mathematics / Topology

**************************************** BANACH CENTER PUBLICATIONS, VOLUME ** INSTITUTE OF MATHEMATICS POLISH ACADEMY OF SCIENCES WARSZAWA 200*

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Source URL: pages.bangor.ac.uk

Language: English - Date: 2006-11-26 09:46:46
213Algebra / Category theory / Higher category theory / Algebraic structures / Algebraic topology / Double groupoid / Seifert–van Kampen theorem / Groupoid / Pushout / Abstract algebra / Mathematics / Homotopy theory

The Seifert-van Kampen Theorem for the fundamental groupoid of a space with a set of base points This note is an extract for the convenience of readers of a section of the book [BHS11], with some additional comments.

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Source URL: pages.bangor.ac.uk

Language: English - Date: 2014-04-10 13:42:56
214Jack Morava / Algebraic topology / Homotopy type theory / Phantom map / Homotopy category / Book:M-Theory / Peter Hilton / Homotopy theory / Topology / Mathematics

J. Daniel Christensen Department of Mathematics The University of Western Ontario London, Ontario N6A 5B7 http://jdc.math.uwo.ca [removed[removed]x86530

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Source URL: jdc.math.uwo.ca

Language: English - Date: 2014-03-27 22:24:43
215Homotopy theory / Category theory / Higher category theory / Algebraic topology / Algebraic structures / Double groupoid / Seifert–van Kampen theorem / Higher-dimensional algebra / Homotopy group / Abstract algebra / Topology / Mathematics

Groups, groupoids and higher groupoids in algebraic topology An area of mathematics in which nonabelian structures have proved important is algebraic topology, where the fundamental group π1 (X, a) of a space X at a bas

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Source URL: pages.bangor.ac.uk

Language: English - Date: 2010-12-20 11:50:11
216Homotopy theory / Category theory / Higher category theory / Algebraic topology / Algebraic structures / Double groupoid / Groupoid / Seifert–van Kampen theorem / Crossed module / Abstract algebra / Mathematics / Topology

Homotopy theory, and change of base for groupoids and multiple groupoids∗† Ronald Brown March 6, 2007 Abstract

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Source URL: pages.bangor.ac.uk

Language: English - Date: 2007-03-06 17:03:14
217Homotopy theory / Algebraic topology / Category theory / Geometric group theory / Algebraic structures / Groupoid / Crossed module / Fundamental group / Graph of groups / Abstract algebra / Mathematics / Algebra

Graphs of Groups: Word Computations and Free Crossed Resolutions Emma Jane Moore November 2000 Summary

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Source URL: pages.bangor.ac.uk

Language: English - Date: 2008-03-17 08:32:10
218Algebraic topology / Algebraic K-theory / Homotopy category / Homotopy group / Whitehead theorem / Out / Homotopy / Spectrum / Classifying space / Topology / Abstract algebra / Homotopy theory

CHAPTER IV DEFINITIONS OF HIGHER K-THEORY The higher algebraic K-groups of a ring R are defined to be the homotopy groups Kn (R) = πn K(R) of a certain topological space K(R), which we shall construct in

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Source URL: www.math.rutgers.edu

Language: English - Date: 2012-08-17 17:20:21
219Homotopy type theory / Homotopy group / Homotopy / Model category / Vladimir Voevodsky / Mathematical logic / Type theory / Algebraic topology / Homotopy category / Homotopy theory / Topology / Mathematics

Voevodsky’s Univalence Axiom in Homotopy Type Theory Steve Awodey, Álvaro Pelayo, and Michael A. Warren T

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Source URL: www.ams.org

Language: English - Date: 2013-09-09 12:55:06
220Fibred category / Universal property / Limit / Adjoint functors / Functor / Cone / Sheaf / Coproduct / Groupoid / Category theory / Abstract algebra / Mathematics

ALGEBRAIC COLIMIT CALCULATIONS IN HOMOTOPY THEORY USING FIBRED AND COFIBRED CATEGORIES RONALD BROWN AND RAFAEL SIVERA Abstract. Higher Homotopy van Kampen Theorems allow some colimit calculations of certain homotopical i

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Source URL: pages.bangor.ac.uk

Language: English - Date: 2009-04-24 09:00:50
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