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Homotopy category
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#	Item
181	SUBMULTIPLICATIVITY AND THE HANNA NEUMANN CONJECTURE IGOR MINEYEV Abstract. We define submultiplicativity of `2 -numbers in the category of Γ-complexes over ˆ which generalizes the statement of the Strengthened Hanna N Add to Reading List Source URL: www.math.uiuc.edu Language: English - Date: 2011-10-24 00:06:12 Abstract algebra Covering space Topological graph theory Fundamental group Topology Algebraic topology Homotopy theory
182	ARTICLE IN PRESS Advances in Mathematics[removed]–175 http://www.elsevier.com/locate/aim Add to Reading List Source URL: pages.bangor.ac.uk Language: English - Date: 2007-03-15 03:52:40 Homotopy theory Category theory Higher category theory Algebraic structures Differential geometry Double groupoid Groupoid Lie groupoid Crossed module Abstract algebra Mathematics Algebra
183	Applied Categorical Structures 11: 185–206, 2003. © 2003 Kluwer Academic Publishers. Printed in the Netherlands[removed]Homotopies and Automorphisms of Crossed Add to Reading List Source URL: pages.bangor.ac.uk Language: English - Date: 2007-03-15 03:50:38 Group theory Category theory Higher category theory Algebraic structures Crossed module Groupoid Double groupoid Lie groupoid 2-group Abstract algebra Algebra Homotopy theory
184	The Equivalence of ∞-groupoids and Crossed Complexes∗ Ronald Brown and Philip J Higgins Contents Introduction Add to Reading List Source URL: pages.bangor.ac.uk Language: English - Date: 2007-02-28 12:57:33 Category theory Homotopy theory Algebraic structures Group actions Algebraic topology Groupoid Double groupoid Crossed module Ronald Brown Abstract algebra Algebra Mathematics
185	The algebra of cubes∗† Philip J. Higgins, Department of Mathematics Durham University Durham, DH1 3LE England Add to Reading List Source URL: pages.bangor.ac.uk Language: English - Date: 2007-01-19 16:07:06 Mathematics Algebraic topology Category theory Higher category theory Algebraic structures Groupoid Double groupoid Crossed module Seifert–van Kampen theorem Abstract algebra Topology Homotopy theory
186	The Equivalence of ω-Groupoids and Cubical T -Complexes Ronald Brown and Philip J. Higgins∗ Introduction The Seifert-van Kampen Theorem involves the category Top∗ of spaces Add to Reading List Source URL: pages.bangor.ac.uk Language: English - Date: 2006-12-02 13:18:44 Homotopy theory Category theory Algebraic topology Group actions CW complex Seifert–van Kampen theorem Groupoid Constructible universe Abstract algebra Topology Mathematics
187	Crossed complexes and higher homotopy groupoids as non commutative tools for higher dimensional local-to-global problems∗ Ronald Brown† March 1, 2009 Add to Reading List Source URL: pages.bangor.ac.uk Language: English - Date: 2009-03-01 12:04:52 Homotopy theory Algebraic topology Category theory Higher category theory Algebraic structures Double groupoid Crossed module Groupoid Seifert–van Kampen theorem Abstract algebra Topology Mathematics
188	C AHIERS DE TOPOLOGIE ET GÉOMÉTRIE DIFFÉRENTIELLE CATÉGORIQUES RONALD B ROWN C HRISTOPHER B. S PENCER Add to Reading List Source URL: pages.bangor.ac.uk Language: English - Date: 2008-05-25 09:00:41 Mathematics Category theory Higher category theory Algebraic topology Algebraic structures Double groupoid Groupoid Seifert–van Kampen theorem Crossed module Abstract algebra Homotopy theory Topology
189	HOMOTOPICAL EXCISION, AND HUREWICZ THEOREMS, FOR n-CUBES OF SPACES ∗ Ronald Brown and Jean-Louis Loday Introduction The fact that the relative homotopy groups do not satisfy excision makes the computation of absolute h Add to Reading List Source URL: pages.bangor.ac.uk Language: English - Date: 2006-12-24 10:28:00 Algebraic topology Homology theory Hurewicz theorem Homotopy group Category theory Crossed module Fundamental group Functor Seifert–van Kampen theorem Abstract algebra Topology Homotopy theory
190	Advances in Mathematics 170, 71–[removed]doi:[removed]aima[removed]Multiple Categories: The Equivalence of a Globular and a Cubical Approach Fahd Ali Al-Agl1 Add to Reading List Source URL: pages.bangor.ac.uk Language: English - Date: 2004-10-19 08:39:54 Category theory Homotopy theory Algebraic topology Groupoid Seifert–van Kampen theorem Crossed module Double groupoid Category Simplicial set Abstract algebra Topology Mathematics

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