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Oscillation properties of fourth order differential equations |
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| Authors: | Gary D Jones |
| Affiliation: | Murray State University, Murray, Kentucky 42071 U.S.A. |
| Abstract: | We define various ways in which linear-quadratic control problems can be robust and show that there are conditions which are simultaneously necessary and sufficient for robust problems to have a solution when such conditions do not exist for nonrobust problems. |
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