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math.AG2014★ 10 cited
On the geometry of normal horospherical G-varieties of complexity one
Kevin Langlois, Ronan Terpereau
Let G be a connected simply-connected reductive algebraic group. In this article, we consider the normal algebraic varieties equipped with a horospherical G-action such that the qu…
math.AG2014
Invariant deformation theory of affine schemes with reductive group action
Christian Lehn, Ronan Terpereau
We develop an invariant deformation theory, in a form accessible to practice, for affine schemes equipped with an action of a reductive algebraic group . Given the defining…