Note on the gluing theorem for groupoids and Van Kampen's theorem
Klaus Heiner Kamps (1987)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Displaying similar documents to “Groupoids and crossed objects in algebraic topology.”
Note on the gluing theorem for groupoids and Van Kampen's theorem
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A homotopy double groupoid of a Hausdorff space.
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Theory and Applications of Categories [electronic only]
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Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Collectanea Mathematica
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Kamps, K.H., Porter, T. (1999)
Homology, Homotopy and Applications
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Philip R. Heath (1973)
Mathematische Zeitschrift
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A homotopy double groupoid of a Hausdorff space. II: A van Kampen theorem.
Brown, Ronald, Kamps, K. H., Porter, Timothy (2005)
Theory and Applications of Categories [electronic only]
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Erratum à l'article «Double groupoids and crossed modules»
R. Brown, C. B. Spencer (1977)
Cahiers de Topologie et Géométrie Différentielle Catégoriques
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Three themes in the work of Charles Ehresmann: local-to-global; groupoids; higher dimensions
Ronald Brown (2007)
Banach Center Publications
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This paper illustrates the themes of the title in terms of: van Kampen type theorems for the fundamental groupoid; holonomy and monodromy groupoids; and higher homotopy groupoids. Interaction with work of the writer is explored.