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mercoledì 2 ottobre 2019

# gst: approaching the automorphism groupoid of a groupoid

AA << construct two groupoids from morphisms of groupoids, with one from a categorical viewpoint and the other from a geometric viewpoint. (AA) show that for each pair of groupoids, the two kinds of groupoids of morphisms are equivalent. Then (AA) study the automorphism groupoid of a groupoid. >>

Bohui Chen, Cheng-YongDu, et al. The groupoid structure of groupoid morphisms. J of Geometry and Physics Vol 145 doi: 10.1016/j.geomphys.2019.103486  Aug 12,  2019.     https://www.sciencedirect.com/science/article/pii/S0393044019301676

Also

"groupoid" in: https://en.m.wikipedia.org/wiki/Groupoid  

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