Towards Higher Categories

Volume 152 of the series The IMA Volumes in Mathematics and its Applications pp 105-191


A 2-Categories Companion

  • Stephen LackAffiliated withSchool of Computing and Mathematics, University of Western Sydney Email author 

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This paper is a rather informal guide to some of the basic theory of 2-categories and bicategories, including notions of limit and colimit, 2-dimensional universal algebra, formal category theory, and nerves of bicategories.