| Article ID: | iaor20032491 |
| Country: | Germany |
| Volume: | 55 |
| Issue: | 3 |
| Start Page Number: | 401 |
| End Page Number: | 412 |
| Publication Date: | Jan 2002 |
| Journal: | Mathematical Methods of Operations Research (Heidelberg) |
| Authors: | Castellani M., Bigi G. |
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