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searching for Weil restriction 2 found (15 total)

Pseudo-reductive group (1,102 words) [view diff] exact match in snippet view article find links to article

G is any non-trivial connected reductive K-group defined then the Weil restriction H=RK/k(G) is a smooth connected affine k-group for which there is a

Automorphisms of the symmetric and alternating groups (3,187 words) [view diff] exact match in snippet view article find links to article

product of two projective lines, so by a descent argument X is the Weil restriction to k of the projective line over a quadratic étale algebra K. Since