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math.KT2002★ 8 cited
Crossed squares and 2-crossed modules
A. Mutlu, T. Porter
Crossed squares and 2-crossed modules are both algebraic models for 3-types. This paper explores the interrelationships between these two models.
math.KT1999
Freeness conditions for crossed squares and squared complexes
A. Mutlu, T. Porter
Following Ellis, we investigate the notion of totally free crossed squares and related square complexes. It is shown how to interpret the information in a free simplicial group giv…