Let P be a projection of a normed lined
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Inner Product Spaces
Section5.CM: Cumulative Review
Problem 24CM
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![Theorem 2.40. Let P be a projection of a normed linear space X into
itself. Then P is a closed map if and only if its range and null space are closed in X.
The projection P is continuous also, if X is a Banach space.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbcd52020-b8aa-45b7-bae3-dd4024ec1f3b%2Fb1d81582-8570-4b6c-ae13-11323c50fc87%2Fs1bt6n_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Theorem 2.40. Let P be a projection of a normed linear space X into
itself. Then P is a closed map if and only if its range and null space are closed in X.
The projection P is continuous also, if X is a Banach space.
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