The extreme points of symmetric norms on R^2

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2008-01-01
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Khemphet, Anchalee
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Justin Peters
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Mathematics
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Abstract

Let CG be a set of symmetric norms on R2 such that p(0, 1) = p(1, 0) = 1 for any norm

p in CG. Our questions are: Do the extreme points of CG exist? What are all the extreme

points of CG? To answer these questions, compactness plays an important role in completing

the sufficient conditions of known theorems. Results show that CG has extreme points and all

its extreme points are found.

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Tue Jan 01 00:00:00 UTC 2008