3. Let K(r, y) = xy(x+ y), 0 < x,y <1 and consider the following operator K K f(y) = | K(y, 1)f(r)dx. %3D a) Is this operator bounded as an operator acting from L'(0, 1) into itself? b) Is K bounded as an operator acting from L (0, 1) into L'(0, 1)? c) Is K bounded as an operator acting on L²(0, 1)?

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.5: The Kernel And Range Of A Linear Transformation
Problem 30EQ
icon
Related questions
Question
3
8.
Problems for boundede operators
1. Let A: (2 → l² be given by
3
n+1
A(x1,., xn, ...) =
In..
2,....
n+ 2
a) Find the norm of A.
b) Find the adjoint A'.
c) Find the norm of A'.
2. Let A : L (0, 1) → L²(0, 1) be given by
(Af)(z) =
(r+t)f(t)dt.
Find the adjoint A'.
3. Let K(x, y) = xy(x+ y), 0 < x, y < 1 and consider the following
operator K
K f(y) = | K(y, x)f(x)dx.
a) Is this operator bounded as an operator acting from L'(0, 1) into
itself?
b) Is K bounded as an operator acting from L(0, 1) into L'(0, 1)?
c) Is K bounded as an operator acting on L²(0, 1)?
4. Consider the operator A: L²(0, 1) → L²(0, 1) from problem 2.
a) Is this operator bounded? If "yes", find it's norm.
b) Is the open mapping theorem applicable to this operator? Why?
Transcribed Image Text:8. Problems for boundede operators 1. Let A: (2 → l² be given by 3 n+1 A(x1,., xn, ...) = In.. 2,.... n+ 2 a) Find the norm of A. b) Find the adjoint A'. c) Find the norm of A'. 2. Let A : L (0, 1) → L²(0, 1) be given by (Af)(z) = (r+t)f(t)dt. Find the adjoint A'. 3. Let K(x, y) = xy(x+ y), 0 < x, y < 1 and consider the following operator K K f(y) = | K(y, x)f(x)dx. a) Is this operator bounded as an operator acting from L'(0, 1) into itself? b) Is K bounded as an operator acting from L(0, 1) into L'(0, 1)? c) Is K bounded as an operator acting on L²(0, 1)? 4. Consider the operator A: L²(0, 1) → L²(0, 1) from problem 2. a) Is this operator bounded? If "yes", find it's norm. b) Is the open mapping theorem applicable to this operator? Why?
Expert Solution
steps

Step by step

Solved in 4 steps with 3 images

Blurred answer
Recommended textbooks for you
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Elements Of Modern Algebra
Elements Of Modern Algebra
Algebra
ISBN:
9781285463230
Author:
Gilbert, Linda, Jimmie
Publisher:
Cengage Learning,
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
College Algebra
College Algebra
Algebra
ISBN:
9781305115545
Author:
James Stewart, Lothar Redlin, Saleem Watson
Publisher:
Cengage Learning