Directory UMM :Journals:Journal_of_mathematics:EJQTDE:
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In this section we give a brief sketch of the theory of triad homotopy groups, including the exact sequence relating them to homotopical excision, and show that the third triad
In the present paper we establish Lyapunov type integral inequalities related to the zeros of solutions of certain second-order differential equations by using elementary analysis..
Lomtatidze , On positive solutions of singular boundary value problems for nonlin- ear second order ordinary differential equations.. Morozov , On the analytic structure of the
Based on the Schauder type estimates, under some assumptions on the mobility and terms of lower order, we establish the global existence of classical
In 1973, Barr and Sherman [4] used solution matching techniques to obtain solutions of 3-point boundary value problems for third order differential equations from solutions of
We establish two criteria for the existence of convex solutions to a bound- ary value problem for weakly coupled systems arising from the Monge-Amp` ere equations.. We shall use
In this paper, we investigate the growth of solutions of complex high order linear differential equations with entire or meromorphic coefficients of finite iterated order and we
In this paper, we obtain the exact formulas of affine invariants via the equivalence problem in view of Cartan’s theorem and then, we state a necessary and sufficient condition for
