Problems with one quarter
In this paper two sequences of oscillation criteria for the self-adjoint second order differential equation are derived. One of them deals with the case , and the other with the case .
In this paper two sequences of oscillation criteria for the self-adjoint second order differential equation are derived. One of them deals with the case , and the other with the case .
In this paper we study properties of regular solutions of quaternionic Riccati equations. The obtained results we use for study of the asymptotic behavior of solutions of two first-order linear quaternionic ordinary differential equations.
The aim of this paper is to deduce oscillatory and asymptotic behavior of the solutions of the ordinary differential equation L_nu(t)+p(t)u(t)=0.
The equation to be considered is The aim of this paper is to derive sufficient conditions for property (A) of this equation.
The aim of this paper is to deduce oscillatory and asymptotic behavior of delay differential equation from the oscillation of a set of the first order delay equations.