(n) 4) Let E be measurable and f: E→ R be measurable. Let y=k/n for ke Z and ne N. Let Ik =)) so that clearly R = (). Let E() = f((n)) and define (n) 00 (n) On(x) = x()(x). k=-∞ Prove that each on is measurable and that on →f uniformly on R. Hint: = For the former, if on,N(x) Σk-N-1X(n) (x) then prove that we have lim No On,Non pointwise on E. Why is each on,N measurable? 4
(n) 4) Let E be measurable and f: E→ R be measurable. Let y=k/n for ke Z and ne N. Let Ik =)) so that clearly R = (). Let E() = f((n)) and define (n) 00 (n) On(x) = x()(x). k=-∞ Prove that each on is measurable and that on →f uniformly on R. Hint: = For the former, if on,N(x) Σk-N-1X(n) (x) then prove that we have lim No On,Non pointwise on E. Why is each on,N measurable? 4
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter1: Fundamentals
Section1.2: Mappings
Problem 25E: 25. Let, where and are non empty, and let and be subsets of .
Prove that.
Prove that.
Prove...
Related questions
Question
4
![(n)
4) Let E be measurable and f: E→ R be measurable. Let y=k/n for ke Z and
ne N. Let Ik =)) so that clearly R = (). Let E() = f((n)) and define
(n)
00
(n)
On(x) = x()(x).
k=-∞
Prove that each on is measurable and that on →f uniformly on R.
Hint:
=
For the former, if on,N(x) Σk-N-1X(n) (x) then prove that we have
lim No On,Non pointwise on E. Why is each on,N measurable?
4](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa03415f8-38f2-4478-b688-afaca619ca5c%2F299b6fc4-d472-4525-843b-8cfaa40c1525%2Fuu7eb5k_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(n)
4) Let E be measurable and f: E→ R be measurable. Let y=k/n for ke Z and
ne N. Let Ik =)) so that clearly R = (). Let E() = f((n)) and define
(n)
00
(n)
On(x) = x()(x).
k=-∞
Prove that each on is measurable and that on →f uniformly on R.
Hint:
=
For the former, if on,N(x) Σk-N-1X(n) (x) then prove that we have
lim No On,Non pointwise on E. Why is each on,N measurable?
4
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