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arxiv: 1103.5094 · v1 · pith:QY2VCHSCnew · submitted 2011-03-25 · 🧮 math.FA

A universal differentiability set in Banach spaces with separable dual

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keywords banachdualseparablespaceboundedclosedcontainsdifferentiability
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We show that any non-zero Banach space with a separable dual contains a totally disconnected, closed and bounded subset S of Hausdorff dimension 1 such that every Lipschitz function on the space is Fr\'echet differentiable somewhere in S.

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