| Article ID: | iaor1993372 |
| Country: | Netherlands |
| Volume: | 51 |
| Issue: | 2 |
| Start Page Number: | 273 |
| End Page Number: | 278 |
| Publication Date: | Sep 1991 |
| Journal: | Mathematical Programming (Series A) |
| Authors: | Jongen Hubertus Th., Griewank Andreas, Kwong Man Kam |
It is shown that Lipschitzian functions are strictly convex if and only if their generalized gradients are disjoint at distinct interior points of a given bounded level set.