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On symplectic and contact groupoids. (English) Zbl 0805.53034
Kowalski, O. (ed.) et al., Differential geometry and its applications. Proceedings of the 5th international conference, Opava, Czechoslovakia, August 24-28, 1992. Opava: Open Education and Sciences, Silesian Univ.. Math. Publ. (Opava). 1, 29-45 (1993).
Summary: This paper deals with Lie groupoids, in particular symplectic and contact groupoids. We formulate a definition of contact groupoids; we give examples and a counterexample (groupoid with a contact form which is not a contact groupoid).
For the entire collection see [Zbl 0797.00017].

53C15 General geometric structures on manifolds (almost complex, almost product structures, etc.)
22E05 Local Lie groups