Abstract
In this note, we give a counterexample to show that the characterization formula for the condition numbers of a convex set \(C\) of \(\mathbb R^n\) given in Coulibaly and Crouzeix (Math Program 116:79–113, 2009) is incorrect.
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Coulibaly, A., Crouzeix, J.-P.: Condition numbers and error bounds in convex programming. Math. Program. 116, 79–113 (2009)
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W. Song: The research of this author was partly supported by the National Natural Sciences Grant (No. 11071052).
X. Xu: The research of this author was partly supported by the graduate students innovate scientific research program of Heilongjiang Province in 2009.
J.-C. Yao: The research of this author was partly supported by NSC 102-2115-M-037-002-MY3.
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Song, W., Xu, X. & Yao, JC. A note on the condition numbers of convex sets. Math. Program. 149, 459–463 (2015). https://doi.org/10.1007/s10107-014-0758-0
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DOI: https://doi.org/10.1007/s10107-014-0758-0