Abel differential equations are a class of differential equations that play a significant role in various fields of mathematics and applied sciences. They are characterized by their non-linear nature ...
Functional differential equations with forward and backward delays arise naturally, for instance, in the study of travelling waves in lattice equations and as semi-discretizations of partial ...
Carpathian Journal of Mathematics, Vol. 37, No. 2 (2021), pp. 325-338 (14 pages) The aim of the present paper is to study the existence of nontrivial nonnegative solutions for a second-order boundary ...
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