On the derivative of type α
F. M. Filipczak (1980)
Colloquium Mathematicae
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F. M. Filipczak (1980)
Colloquium Mathematicae
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Zdzisław Denkowski (1980)
Annales Polonici Mathematici
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H. Fejzić (1993)
Fundamenta Mathematicae
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A function F is said to have a generalized Peano derivative at x if F is continuous in a neighborhood of x and if there exists a positive integer q such that a qth primitive of F in the neighborhood has the (q+n)th Peano derivative at x; in this case the latter is called the generalized nth Peano derivative of F at x and denoted by . We show that generalized Peano derivatives belong to the class [Δ’]. Also we show that they are path derivatives with a nonporous system of paths satisfying...
Karl Menger (1958)
Fundamenta Mathematicae
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Karel Pastor (2001)
Discussiones Mathematicae, Differential Inclusions, Control and Optimization
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In the paper, we deal with the relations among several generalized second-order directional derivatives. The results partially solve the problem which of the second-order optimality conditions is more useful.
H. W. Pu (1973)
Colloquium Mathematicae
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Corneliu Ursescu (1975)
Annales Polonici Mathematici
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S. Mukhopadhyay (1975)
Fundamenta Mathematicae
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Richard O'Malley (1989)
Fundamenta Mathematicae
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Libicka, Inga, Łazarow, Ewa (2015-12-08T11:20:51Z)
Acta Universitatis Lodziensis. Folia Mathematica
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Halim, S.Abdul, London, R.R., Thomas, D.K. (1989)
Publications de l'Institut Mathématique. Nouvelle Série
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Poliquin, R.A., Rockafellar, R.T. (1997)
Journal of Convex Analysis
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Philip Hartman (1974)
Annales Polonici Mathematici
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Sam Colvin, Lokenath Debnath (1973)
Gaceta Matemática
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Józef Joachim Telega (1972)
Annales Polonici Mathematici
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