ANZIAM J.
44 (2003), 513-538
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On the solvability of first-order discontinuous scalar initial and boundary value problems
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R. P. Agarwal
Department of Mathematical Sciences
Florida Institute of Technology
Melbourne
FL 32901
USA
agarwal@fit.edu
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S. Heikkilä
Department of Mathematical Sciences
University of Oulu
P.O. Box 3000
90014 Oulu
Finland
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Abstract
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In this paper we derive extremality and
comparison results for explicit and implicit
initial and boundary value problems of
first-order differential equations. Both the
differential equations and the boundary
conditions may involve discontinuities.
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