For each point a∈R of the ring ≺R,+,⋅≻, the mapping θa:≺R,+,⋅≻→≺R,+,⋅≻ defined by θa(x)=a⋅x, ∀x∈R is a one-to-one ring homomorphism. True False
For each point a∈R of the ring ≺R,+,⋅≻, the mapping θa:≺R,+,⋅≻→≺R,+,⋅≻ defined by θa(x)=a⋅x, ∀x∈R is a one-to-one ring homomorphism. True False
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.2: Ring Homomorphisms
Problem 12E: 12. Consider the mapping defined by . Decide whether is a homomorphism, and justify your decision.
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Question
For each point a∈R of the ring ≺R,+,⋅≻, the mapping θa:≺R,+,⋅≻→≺R,+,⋅≻ defined by
θa(x)=a⋅x, ∀x∈R
is a one-to-one ring homomorphism.
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