215 citations · 807 across the 39 of their papers we have counts for
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math.SG2016★ 12 cited
Multiplicity free quasi-Hamiltonian manifolds
Friedrich Knop
A (quasi-)Hamiltonian manifold is called multiplicity free if all of its symplectic reductions are 0-dimensional. In this paper, we classify multiplicity free Hamiltonian actions f…
math.RT2016★ 8 cited
Classification of reductive real spherical pairs I. The simple case
Friedrich Knop, Bernhard Krötz, Tobias Pecher +1
This paper gives a classification of all pairs with a simple real Lie algebra and a reductive subalgebra for…
math.RT2016★ 19 cited
Reductive group actions
Friedrich Knop, Bernhard Krötz
In this paper, we study rationality properties of reductive group actions which are defined over an arbitrary field of characteristic zero. Thereby, we unify Luna's theory of spher…