Find the kernels and images of the following homomorphisms. Which of the homomorphisms are injective? Which are surjective? (i) The mapping 0 : Z₁₁ → Z₁ given by 0(x) = x². (ii) The mapping ☀ : R* → R* given by o(x) = x³. (iii) The mapping : G → G given by y(x) = g-¹xg for x E G where G is a group and g € G. (You may assume that this is a homomorphism.)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Find the kernels and images of the following homomorphisms. Which of the homomorphisms are
injective? Which are surjective?
(i) The mapping 0 : Z₁₁ → Z₁₁ given by 0(x) = x².
11
(ii) The mapping : R* → R* given by p(x) = x³.
-1
(iii) The mapping & : G → G given by y(x) = g¯¹xg for x = G where G is a group and g € G.
(You may assume that this is a homomorphism.)
Transcribed Image Text:Find the kernels and images of the following homomorphisms. Which of the homomorphisms are injective? Which are surjective? (i) The mapping 0 : Z₁₁ → Z₁₁ given by 0(x) = x². 11 (ii) The mapping : R* → R* given by p(x) = x³. -1 (iii) The mapping & : G → G given by y(x) = g¯¹xg for x = G where G is a group and g € G. (You may assume that this is a homomorphism.)
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