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Journal of Lie Theory 23 (2013), No. 1, 127--142 Copyright Heldermann Verlag 2013 Lie Hypergroups Massoud Amini Dept. of Mathematics, Faculty of Mathematical Sciences, Tarbiat Modares University, Tehran 14115-134, Iran mamini@modares.ac.ir Abbas Heydari Dept. of Mathematics, Faculty of Mathematical Sciences, Tarbiat Modares University, Tehran 14115-134, Iran aheydari@modares.ac.ir Megerdich Toomanian Dept. of Mathematics, Islamic Azad University, Karaj-Branch, Iran megerdich.toomanian@kiau.ac.ir We define Lie hypergroups and study their embedded and immersed subhypergroups. In particular we investigate the properties of the connected component of the identity, the universal covering and fundamental group of a Lie hypergroup. We also study the quotients and orbits in a Lie hypergroup. Keywords: Hypergroup, Lie group, Lie hypergroup. MSC: 43A62, 57T15 [ Fulltext-pdf (311 KB)] for subscribers only. |