Continuous convex MS-differentiable function need not be HL-differentiable (Q2435924)

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Continuous convex MS-differentiable function need not be HL-differentiable
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    Continuous convex MS-differentiable function need not be HL-differentiable (English)
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    21 February 2014
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    The authors provide an intricate example of a convex function on a locally convex space which is MS-differentiable but fails to be such in the Hyers-Lang sense.
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    convex function
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    locally convex space
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    MS-differentiability
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    HL-differentiability
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    Fréchet differentiability
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