If Sn, then the map K(x 1 , ... 'X n ) - K(x 1
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If σ ϵ Sn, then the map K(x1, ... 'Xn) - K(x1, ... 'Xn) given by
is a K-automorphism of K(x1, •.. , xn).
Transcribed Image Text:
f(x₁,...,xn), f(xo(1), Xo(n)) g(x₁,...,xn) g(xo(1),..., Xo(n)) ...,
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Yes the given map is a Kautomorphism of Kx1 xn where K is a field and Sn is the symmetric group on n ...View the full answer
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Related Book For
Algebra Graduate Texts In Mathematics 73
ISBN: 9780387905181
8th Edition
Authors: Thomas W. Hungerford
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