Data dependence for some integral equation via weakly Picard operators.
Differential and Integral Equations [Book]
Dirichlet boundary value problems of nonlinear functional difference equations with Jacobi operators.
Disconjugacy and multipoint boundary value problems for linear differential equations with delay
Dynamics of a two sex population with gestation period
We investigate a mathematical model of population dynamics for a population of two sexes (male and female) in which new individuals are conceived in a process of mating between individuals of opposed sexes and their appearance is postponed by a period of gestation. The model is a system of two partial differential equations with delay which are additionally coupled by mathematically complicated boundary conditions. We show that this model has a global solution. We also analyze stationary ('permanent')...