| Article ID: | iaor19972545 |
| Country: | India |
| Volume: | 17 |
| Issue: | 3 |
| Start Page Number: | 585 |
| End Page Number: | 596 |
| Publication Date: | Sep 1996 |
| Journal: | Journal of Information & Optimization Sciences |
| Authors: | Stancu-Minasian I.M., Preda Vasile, Batatorescu Anton |
| Keywords: | gradient methods |
For a nondifferentiable nonlinear programming problem, Fritz John and Karush-Kuhn-Tucker necessary optimality conditions and sufficient optimality conditions are given and duality results are stated for Wolfe’s type and Mond-Weir type duals by the concepts of semilocally quasi-preinvex and semilocally pseudo-preinvex functions.