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Results tagged with affine-geometry
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user 485890
1
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1
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Potentially elementary question on affine functions on Banach spaces
In Measures Which Agree On Balls by Hoffmann-Jørgensen, it is claimed that the function defined on $T(x)$, the set of normals to the unit sphere at $x$, given by
$ \varphi(x^*) = \left\{
\begin{array} …
- 297
1
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1
answer
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Gateaux differentiability of the norm in Banach spaces
I'm struggling to understand a particular implication in the proof of Corollary 5 of this paper involving Gateaux differentiability of the norm. The claim is that Gateaux differentiability of the norm …
- 297