Necessary and sufficient conditions for bounded oscillations of higher order delay differential equations of Euler's type
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Jaroslav Jaroš (1989)
Czechoslovak Mathematical Journal
Singh, Bhagat (1978)
International Journal of Mathematics and Mathematical Sciences
Gliklikh, Yuri E. (2006)
Abstract and Applied Analysis
Chuaqui, M. (2002)
Annales Academiae Scientiarum Fennicae. Mathematica
Omeike, M. (2008)
JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
Mathew Omonigho Omeike, A. U. Afuwape (2010)
Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica
Sufficient conditions are established for ultimate boundedness of solutions of certain nonlinear vector differential equations of third-order. Our result improves on Tunc’s [C. Tunc, On the stability and boundedness of solutions of nonlinear vector differential equations of third order].
Mathew Omonigho Omeike (2011)
Kragujevac Journal of Mathematics
Irena Rachůnková (1990)
Czechoslovak Mathematical Journal
S. Staněk (1992)
Annales Polonici Mathematici
A differential equation of the form (q(t)k(u)u')' = λf(t)h(u)u' depending on the positive parameter λ is considered and nonnegative solutions u such that u(0) = 0, u(t) > 0 for t > 0 are studied. Some theorems about the existence, uniqueness and boundedness of solutions are given.
Cemil Tunc (1997)
Δελτίο της Ελληνικής Μαθηματικής Εταιρίας
Diamandescu, A. (2004)
Acta Mathematica Universitatis Comenianae. New Series
Iqbal, M. (1999)
Journal of Applied Mathematics and Decision Sciences
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