| Article ID: | iaor20013596 |
| Country: | India |
| Volume: | 37 |
| Issue: | 4 |
| Start Page Number: | 340 |
| End Page Number: | 350 |
| Publication Date: | Jan 2000 |
| Journal: | OPSEARCH |
| Authors: | Mishra S.K., Giorgi G. |
We introduce the notion of semi-univex function (nonsmooth) and the associated subdifferential. Optimality and duality results for several nonsmooth mathematical programs are obtained combining the concepts of type I and semi-univex functions.