3. Let A : - ® be given by T2 In A(x1,..., Tn,.) = %3D 2 22 a) Prove that A is compact. b) Find the spectrum of A.

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 6E
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3. Let A : (² → ® be given by
In
A(x1,..., Tn, ...) = ( 0,
2
a) Prove that A is compact.
b) Find the spectrum of A.
Transcribed Image Text:3. Let A : (² → ® be given by In A(x1,..., Tn, ...) = ( 0, 2 a) Prove that A is compact. b) Find the spectrum of A.
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