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Strongly Monotone Solutions of Retarded Differential Equations

Published online by Cambridge University Press:  20 November 2018

Y. G. Sficas*
Affiliation:
Department of Mathematics, University of Ioannina, Ioannina, Greece
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Let us consider the retarded differential equation

1

for which the following assumptions are made:

(i) p: [t0, ∞) → [0, ∞) is continuous and not identically zero for all large t.

(ii) σ [t0, ∞)→ ℝ is continuous, strictly increasing,

(iii) φ: ℝ → ℝ is continuous, non-decreasing and

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 1979

References

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