Positive cones and focal points for a class of $n$th-order differential equations
| Autor: | Keener, M. S., Travis, C. C. |
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| Zdroj: | Transactions of the American Mathematical Society; 1978, Vol. 237 Issue: 1 p331-351, 21p |
| Abstrakt: | Necessary and sufficient conditions are obtained for both the existence and absence of focal points for a class of nth order linear differential equations. The techniques utilized the theory of  -positive operators with respect to a cone in a Banach space. |
| Databáze: | Supplemental Index |
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