Horn problem for quasi-hermitian Lie groups

2020/06/15 by Paradan, Paul-Emile, Paradan, Paul-Émile
#Differential Geometry (math.DG) #FOS: Mathematics #Representation Theory (math.RT) #Symplectic Geometry (math.SG)

paper · doi:10.48550/arxiv.2006.08166

Abstract

In this paper, we prove some convexity results associated to orbit projection of non-compact real reductive Lie groups.

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• Real geometric invariant theory
• Kirwan polyhedron of holomorphic coadjoint orbits
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