| Article ID: | iaor20041701 |
| Country: | China |
| Volume: | 6 |
| Issue: | 3 |
| Start Page Number: | 27 |
| End Page Number: | 34 |
| Publication Date: | Jan 2003 |
| Journal: | OR Transactions |
| Authors: | Wang Zhongxing, Yang Lei |
In this paper, several optimality sufficient conditions for a class of joint efficient solutions are obtained under the condition that the objective and constraint function are invex and generalized invex.