scientific article
zbMath0456.55012MaRDI QIDQ3906124
Philip R. Heath, Klaus Heiner Kamps
Publication date: 1981
Full work available at URL: http://www.numdam.org/item?id=CTGDC_1981__22_1_97_0
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Quillen model categorycovering morphismfibration of groupoidshomotopy theory of groupoidscomparison of free and based homotopy classesfunction from based to free homotopy classesgluing theorem for homotopy equivalencespassing from the homotopy theory of spaces to the homotopy theory of groupoidsstability cokernel sequence
Homotopy groups, general; sets of homotopy classes (55Q05) Groupoids (i.e. small categories in which all morphisms are isomorphisms) (20L05) Operations in homotopy groups (55Q35) Groupoids, semigroupoids, semigroups, groups (viewed as categories) (18B40)
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