3 citations · 4 across the 2 of their papers we have counts for
2 papers
math.CT2011★ 1 cited
N-tuple groups and matched n-tuples of groups
Dany Majard
This paper proves that the category of vacant n-tuple groupoids is equivalent to the category of factorizations of groupoids by n subgroupoids. Moreover it extends this equivalence…
math-ph2011★ 3 cited
On Double Groups and the Poincaré group
Dany Majard
In [22], Crane and Sheppard considered the structure of the Poincare group as a 2-Group, and derived important information about its representations in a 2-Category suited for repr…