A compact null set containing a differentiability point of every Lipschitz function
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compactfunctionlipschitzpointspaceconstructedcontainingdefined
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We prove that in a Euclidean space of dimension at least two, there exists a compact set of Lebesgue measure zero such that any real-valued Lipschitz function defined on the space is differentiable at some point in the set. Such a set is constructed explicitly.
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