| Article ID: | iaor1989733 |
| Country: | India |
| Volume: | 10 |
| Issue: | 1 |
| Start Page Number: | 141 |
| End Page Number: | 151 |
| Publication Date: | Jan 1989 |
| Journal: | Journal of Information & Optimization Sciences |
| Authors: | Martein Laura, Cambini Alberto |
In this paper, by means of a theorem of the alternative for generalized systems, weak alternative is introduced and some necessary and/or sufficient optimality conditions such as a generalized saddle-point condition is deduced; a simple proof of the Fritz John conditions for multiobjective functions is given.