Problem 1. Let H be a Hilbert space and p: HH be a projection, i.e. it is a Linear application such that po p = p. 1. Show that Imp = ker(IdHp) and H=kerp Imp. 2. Suppose that p is a nonzero continuous operator. (a) Show that ||p|| > 1. (b) Show that the adjoint operator p* is also a projection.
Problem 1. Let H be a Hilbert space and p: HH be a projection, i.e. it is a Linear application such that po p = p. 1. Show that Imp = ker(IdHp) and H=kerp Imp. 2. Suppose that p is a nonzero continuous operator. (a) Show that ||p|| > 1. (b) Show that the adjoint operator p* is also a projection.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.2: Graphs Of Equations
Problem 22E
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