Prove or disprove: there is an inner product on R² such that the associated norm is given by ||(x, y)|| = max{x, y} for all (x, y) = R².

Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter5: Rings, Integral Domains, And Fields
Section5.4: Ordered Integral Domains
Problem 5E: 5. Prove that the equation has no solution in an ordered integral domain.
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Prove or disprove: there is an inner product on R² such that the associated
norm is given by
||(x, y) || = max{x, y}
for all (x, y) = R².
Transcribed Image Text:Prove or disprove: there is an inner product on R² such that the associated norm is given by ||(x, y) || = max{x, y} for all (x, y) = R².
Expert Solution
Step 1

We need different  property/condition that a  norm  must satisfy.

 

One of the condition is given by-

 

||v||=0 if and only if  v = zero vector of R2= (0,0).

 

This property is known as "definiteness" of norm.

 

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