| Article ID: | iaor20118635 |
| Volume: | 150 |
| Issue: | 3 |
| Start Page Number: | 580 |
| End Page Number: | 598 |
| Publication Date: | Sep 2011 |
| Journal: | Journal of Optimization Theory and Applications |
| Authors: | Lei L |
| Keywords: | control |
We study the stability problem for a periodic system under a small perturbation in the system conductivity. We will show that the periodicity can be restored with a control taken from a certain finite‐dimensional space. We also give an estimate on the size of the control.