Links between directional derivatives through multidirectional mean value inequalities

Progress in Nonlinear Differential Equations and their Applications

Amandine Aftalion · HAL (Le Centre pour la Communication Scientifique Directe) · 2006 · 1.3K citations

Natural Sciences, Mathematics, Differential Equations +11

Generalized Directional Derivatives and Subgradients of Nonconvex Functions

R. T. Rockafellar · Canadian Journal of Mathematics · 1980 · 412 citations · Full text

Natural Sciences, Mathematics, Derivatives +10

Directionally Lipschitzian Functions and Subdifferential Calculus

R. T. Rockafellar · Proceedings of the London Mathematical Society · 1979 · 277 citations

Natural Sciences, Mathematics, Derivatives +13

Approximate subdifferentials and applications. I. The finite-dimensional theory

Transactions of the American Mathematical Society · 1984 · 182 citations · Full text

Natural Sciences, Mathematics, Computational Geometry +10

Approximate subdifferentials and applications II

A. D. Ioffe · Mathematika · 1986 · 157 citations · Full text

Computing, Computational Engineering, Computational Fluid Dynamics +11