Behrang Noohi is reader in mathematics at Queen Mary University, London.
On 2-groupoids, 2-groups and crossed modules:
On generalizing string topology to target spaces which need not be compact and moreover may be Lie groupoids/differentiable stacks:
On transgression in group cohomology generalized to Real -equivariant cohomology (as appropriate for twists of KR-theory):
Last revised on September 21, 2026 at 18:05:10. See the history of this page for a list of all contributions to it.