If K is a field and if 1, 2 are distinct automorphisms of K, ther it is impossible to find elements b₁, b...b, not all zero, in K such that b₁ ₁(a) + b₂ $₂(a) +...+ b(a)=0, for all a € K.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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If K is a field and if ₁, 2, are distinct automorphisms of K, then
it is impossible to find elements b₁, b...b, not all zero, in K such that b₁ ₁(a) + b₂ $₂(a) +...+
bron (a)=0, for all a € K.
Transcribed Image Text:If K is a field and if ₁, 2, are distinct automorphisms of K, then it is impossible to find elements b₁, b...b, not all zero, in K such that b₁ ₁(a) + b₂ $₂(a) +...+ bron (a)=0, for all a € K.
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