Smooth approximations of norms in separable Banach spaces
classification
🧮 math.FA
math.AG
keywords
banachk-smoothnormnormsseparableapproximatedapproximationsbounded
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Let X be a separable real Banach space having a k-times continuously Fr\'{e}chet differentiable (i.e. C^k-smooth) norm where k=1,...,\infty. We show that any equivalent norm on X can be approximated uniformly on bounded sets by C^k-smooth norms.
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