If K is an infinite field, then the only closed subgroups of Aut K K(x) are itself

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If K is an infinite field, then the only closed subgroups of Aut_KK(x) are itself and its finite subgroups.

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Algebra Graduate Texts In Mathematics 73

ISBN: 9780387905181

8th Edition

Authors: Thomas W. Hungerford

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Question Posted: Apr 16, 2023 03:50 AM

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If K is an infinite field, then the only closed subgroups of Aut K K(x) are itself

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ANSWER Let AutKKx be the group of field automorphisms of K fixing Kx Firstly note that AutKKx acts o...View the full answer

Algebra Graduate Texts In Mathematics 73

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