215 citations · 807 across the 39 of their papers we have counts for
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math.AG2005★ 12 cited
Invariant functions on symplectic representations
Friedrich Knop
Let G be a connected reductive group. In this paper we are studying the invariant theory of symplectic G-modules. Our main result is that the invariant moment map is equidimensiona…
math.SG2005★ 11 cited
Classification of multiplicity free symplectic representations
Friedrich Knop
Let G be a connected reductive group acting on a finite dimensional vector space V. Assume that V is equipped with a G-invariant symplectic form. Then the ring C[V] of polynomial f…
math.AG2005★ 39 cited
Classification of smooth affine spherical varieties
Friedrich Knop, Bart Van Steirteghem
Let G be a complex reductive group. A normal G-variety X is called spherical if a Borel subgroup of G has a dense orbit in X. Of particular interest are spherical varieties which a…