activity
20062008
most citedObstruction classes of crossed modules of Lie algebroids and Lie groupoids linked to existence of principal bundles

9 citations · 9 across the 4 of their papers we have counts for

collaborators
Showing math.KTShow all

1 paper · 1 filter

math.KT2006

On Lie algebra crossed modules

Friedrich Wagemann

This article constructs a crossed module corresponding to the generator of the third cohomology group with trivial coefficients of a complex simple Lie algebra. This generator read…