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Notes on Categories and Groupoids

Notes on Categories and Groupoids
by P. J. Higgins

Publisher: Van Nostrand Reinhold 1971
ISBN/ASIN: 0442034067
ISBN-13: 9780442034061
Number of pages: 195

This book presents a self-contained account of the elementary theory of groupoids and some of its uses in group theory and topology. Category theory appears as a secondary topic whenever it is relevant to the main issue, and its treatment is by no means systematic.

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