Tangencially continuous directional derivatives in nonsmooth analysis (Q1102528)
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scientific article; zbMATH DE number 4050393
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Tangencially continuous directional derivatives in nonsmooth analysis |
scientific article; zbMATH DE number 4050393 |
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Tangencially continuous directional derivatives in nonsmooth analysis (English)
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1989
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We introduce a new class of nonsmooth functions in terms of a continuity property of the usual directional derivative. Under this approach, we study the subregular and the semismooth functions. Finally, we give conditions for a marginal function to be subregular and semismooth.
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nonsmooth functions
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directional derivative
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subregular functions
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semismooth functions
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