R is an integral domain.

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter8: Polynomials
Section8.1: Polynomials Over A Ring
Problem 17E
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(a) Assume R is commutative. Prove that if P is a prime ideal of R and P
contains no zero divisors then R is an integral domain.
(b) Let R be the ring of all continuous functions from [0, 1] to R and for
each c E [0, 1] let ø be the evaluation map at c from R to R. What
is the kernel of o? Is ker p a maximal ideal of R? (Explain)
Transcribed Image Text:(a) Assume R is commutative. Prove that if P is a prime ideal of R and P contains no zero divisors then R is an integral domain. (b) Let R be the ring of all continuous functions from [0, 1] to R and for each c E [0, 1] let ø be the evaluation map at c from R to R. What is the kernel of o? Is ker p a maximal ideal of R? (Explain)
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