Abstract
A variational problem is analyzed in which the integrand is a polynomial and satisfies the hypotheses of the classical existence theory. It is shown nonetheless that the solution does not satisfy the usual necessary conditions.
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Communicated by A. V. Balakrishnan
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Clarke, F.H., Vinter, R.B. On the conditions under which the euler equation or the maximum principle hold. Appl Math Optim 12, 73–79 (1984). https://doi.org/10.1007/BF01449034
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DOI: https://doi.org/10.1007/BF01449034