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Volume 5, Issue 4, Article 90 |
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Rearrangements of the Coefficients of Ordinary Differential Equations
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Authors: |
Samir Karaa, |
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Keywords:
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Rearrangements, Nonconvex set, Extremal couples. |
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Date Received:
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12/03/04 |
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Date Accepted:
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04/08/04 |
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Subject Codes: |
26D15
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Editors: |
Don B. Hinton, |
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Abstract: |
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.
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