Bigi, Giancarlo; Castellani, Marco - In: Mathematical Methods of Operations Research 55 (2002) 3, pp. 401-412
Exploiting different tangent cones, many derivatives for set-valued functions have been introduced and considered to study optimality. The main goal of the paper is to address a general concept of K-epiderivative and to employ it to develop a quite general scheme for necesary optimality...
