Abstract
In this note, we consider two notions of second-order directional derivatives and discuss their use in the characterization of minimal points for nonsmooth functions.
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Communicated by O. L. Mangasarian
This research was supported by NSF Grant No. ECS-8214081, by the Fund for Promotion of Research at the Technion, and by Deutsche Forschungsgemeinschaft.
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Ben-Tal, A., Zowe, J. Directional derivatives in nonsmooth optimization. J Optim Theory Appl 47, 483–490 (1985). https://doi.org/10.1007/BF00942193
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DOI: https://doi.org/10.1007/BF00942193