Gursoy, M.H.; Icen, I.; Ozcan, A.F.
(Universitatii Al.I.Cuza din Iasi, 2016)
In this work we deal with coverings and actions of Lie group-groupoids and Lie ring-groupoids being two sorts of the structured Lie groupoids. After we give definition of a structured Lie groupoid, we prove some characterizations ...