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Semistable points with respect to real forms. (English) Zbl 1129.32015

Authors’ abstract: We consider actions of real Lie subgroups \(G\) of complex reductive Lie groups on Kählerian spaces. The main result is the openness of sets of semistable points with respect to a momentum map and the action of \(G\).

MSC:

32M05 Complex Lie groups, group actions on complex spaces

References:

[1] Heinzner P., Huckleberry A. (1996) Kählerian potentials and convexity properties of the moment map. Invent. math. 126, 65–84 · Zbl 0855.58025 · doi:10.1007/s002220050089
[2] Heinzner, P., Schwarz, G.: Cartan decomposition of the moment map. Math. Ann. (in press) (2006) · Zbl 1110.32008
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