| Article ID: | iaor19942454 |
| Country: | India |
| Volume: | 15 |
| Issue: | 1 |
| Start Page Number: | 1 |
| End Page Number: | 17 |
| Publication Date: | Jan 1994 |
| Journal: | Journal of Information & Optimization Sciences |
| Authors: | Kaul R.N., Suneja S.K., Lalitha C.S. |
In this paper sufficient optimality conditions and duality results are established for a nonlinear programming problem without differentiability assumption on the data wherein Clarke’s generalized gradient is used to define invexity, pseudoinvexity and quasiinvexity for Lipschitz functions.