Grosshans subgroup

In mathematics, in the representation theory of algebraic groups, a Grosshans subgroup, named after Frank Grosshans, is an algebraic subgroup of an algebraic group that is an observable subgroup for which the ring of functions on the quotient variety is finitely generated.[1]

References
  1. Dolgachev, Igor (2003), Lectures on Invariant Theory, London Mathematical Society Lecture Note Series, vol. 296, Cambridge University Press, p. 50, ISBN 9780521525480.


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