Browsing by Subject "rationality"
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Cocharacter-closure and spherical buildings [OWP-2015-12] (Mathematisches Forschungsinstitut Oberwolfach, 2015-07-29)Let $k$ be a field, let $G$ be a reductive $k$-group and $V$ an affine $k$-variety on which $G$ acts. In this note we continue our study of the notion of cocharacter-closed $G(k)$-orbits in $V$. In earlier work we used a ...