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Algebraic structures
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#	Item
851	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
852	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
853	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
854	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
855	Mathematics Subject Classification 2000 Mathematics Subject Classification[removed]MSC2000) This is a completely revised version of the MSC, prepared collaboratively in the editorial offices of MR and Zentralblatt MATH. It Add to Reading List Source URL: klymene.mpim-bonn.mpg.de Language: English - Date: 2010-10-11 14:38:19 Field theory Algebraic structures Fields of mathematics Lattice theory Number theory Representation theory Areas of mathematics Distributive lattice Modular form Abstract algebra Mathematics Algebra
856	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
857	COVERING GROUPS OF NON-CONNECTED TOPOLOGICAL GROUPS REVISITED Ronald Brown and Osman Mucuk School of Mathematics University of Wales Bangor, Gwynedd LL57 1UT, U.K. Add to Reading List Source URL: pages.bangor.ac.uk Language: English - Date: 2006-12-18 10:25:20 Category theory Homotopy theory Algebraic topology Algebraic structures Symmetry Groupoid Lie groupoid Group action Double groupoid Abstract algebra Mathematics Algebra
858	COMPUTING HOMOTOPY TYPES USING CROSSED N -CUBES OF GROUPS∗ Ronald Brown University of Wales, Bangor Gwynedd LL57 1UT, U.K. Dedicated to the memory of Frank Adams Add to Reading List Source URL: pages.bangor.ac.uk Language: English - Date: 2006-08-12 17:58:10 Mathematics Algebraic topology Category theory Higher category theory Algebraic structures Crossed module Homotopy group Seifert–van Kampen theorem Double groupoid Abstract algebra Topology Homotopy theory
859	Identities in Commutative Rings #75 of Gottschalk’s Gestalts A Series Illustrating Innovative Forms of the Organization & Exposition of Mathematics Add to Reading List Source URL: gottschalksgestalts.org Language: English - Date: 2005-01-23 22:27:37 Factorization Ring Commutative ring Semiring Mathematics Algebraic structures Ring theory
860	Category Theory: an abstract setting for analogy and comparison R. Brown and T.Porter Abstract ‘Comparison’ and ‘Analogy’ are fundamental aspects of knowledge acquisition. We argue that one of the reasons for the Add to Reading List Source URL: pages.bangor.ac.uk Language: English - Date: 2005-10-05 12:18:56 Functors Algebraic structures Homotopy theory Higher category theory Groupoid Category Natural transformation Initial and terminal objects Group action Abstract algebra Category theory Mathematics

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