Chatterjee, Saikat; Chaudhuri, Adittya; KOUSHIK, PRAPHULLA
(Elsevier B.V., 2022-06)
In this paper, we introduce a notion of a principal 2-bundle over a Lie groupoid. For such principal 2-bundles, we have produced a short exact sequence of VB-groupoids, namely, the Atiyah sequence. Two notions of connection ...