We establish extremal values of a solution y of a second-order initial value problem as the coefficients vary in a nonconvex set. These results extend earlier work by M. Essen in particular by allowing a coefficient in the second derivative expression.
|Number of pages||12|
|Journal||Journal of Inequalities in Pure and Applied Mathematics|
|Publication status||Published - Aug 4 2004|
- Extremal couples
- Nonconvex set
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