Giorgi, Giorgio; Zuccotti, Cesare - Dipartimento di Scienze Economiche e Aziendali, … - 2013
We give an overview of constraint qualifications and optimality conditions for a nonlinear pro- gramming problems where the functions involved have directional derivatives defined in an axiomatic way. We consider mainly the approach of Elster and Thierfelder (1985, 1988a, 1988b) and the approach...