| Article ID: | iaor201110225 |
| Volume: | 12 |
| Issue: | 4 |
| Start Page Number: | 477 |
| End Page Number: | 487 |
| Publication Date: | Dec 2011 |
| Journal: | Optimization and Engineering |
| Authors: | Zalinescu Constantin |
| Keywords: | linear algebra |
In this note counter‐examples to two triality results are provided. In addition, one of the before mentioned results is corrected and improved.