Which maximal closed subgroups of Lie groups are maximal subgroups? - MathOverflow most recent 30 from http://mathoverflow.net 2013-06-20T09:03:40Z http://mathoverflow.net/feeds/question/65360 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/65360/which-maximal-closed-subgroups-of-lie-groups-are-maximal-subgroups Which maximal closed subgroups of Lie groups are maximal subgroups? David Feldman 2011-05-18T19:22:14Z 2011-08-30T07:44:28Z <p>Which maximal closed subgroups of Lie groups are maximal subgroups?</p> http://mathoverflow.net/questions/65360/which-maximal-closed-subgroups-of-lie-groups-are-maximal-subgroups/74043#74043 Answer by Alain Valette for Which maximal closed subgroups of Lie groups are maximal subgroups? Alain Valette 2011-08-30T07:44:28Z 2011-08-30T07:44:28Z <p>There is a paper by M. Golubitsky, "Primitive actions and maximal subgroups of Lie groups", J. Differ. Geom. 7 (1972), 175-191: from the Introduction: "...there exist maximal Lie subgroups whose Lie algebras are not maximal subalgebras".</p>