Abstract
This paper develops two necessary conditions for a local minimum of an arbitrary extended real-valued function (Theorem 2.2) and, quite separately, two conditions, each sufficient for such a function to have a strict local minimum (Theorem 2.3).
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This work was supported by the National Science Foundation of China, Grant 10171034, and the Natural Science Foundation of the Department of Education of Guangdong Province, Grant 820138.
The author thanks the referees for helpful comments.
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Huang, L. Separate Necessary and Sufficient Conditions for the Local Minimum of a Function. J Optim Theory Appl 125, 241–246 (2005). https://doi.org/10.1007/s10957-004-1726-2
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DOI: https://doi.org/10.1007/s10957-004-1726-2