From cat²-groups to Tamsamani's weak 3-groupoids

Simona Paoli (6/7/05)

There are at present two types of algebraic models of n-types. The first one uses cat^n-1-groups, the second uses Tamsamani's weak n-groupoids. We address the problem of comparing the two models in the path-connected case. We illustrate a comparison result for connected 3-types. In this talk I will recall some necessary background and I will give an overview of the main ideas used in the proofs. Other talks by the same speaker.
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Steve Lack

Last modified: Thu Jul 7 16:57:47 EST 2005