A remark on the half-linear extension of the Hartman-Wintner theorem.
Došlý, Ondřej (1999)
Electronic Journal of Differential Equations (EJDE) [electronic only]
Similarity:
Došlý, Ondřej (1999)
Electronic Journal of Differential Equations (EJDE) [electronic only]
Similarity:
Xianhua Tang, Jianhua Shen (2000)
Colloquium Mathematicae
Similarity:
New oscillation criteria are obtained for all solutions of a class of first order nonlinear delay differential equations. Our results extend and improve the results recently obtained by Li and Kuang [7]. Some examples are given to demonstrate the advantage of our results over those in [7].
N. Parhi, P. Praharaj (1999)
Annales Polonici Mathematici
Similarity:
Some results concerning oscillation of second order self-adjoint matrix differential equations are obtained. These may be regarded as a generalization of results for the corresponding scalar equations.
Manojlovic, J.V., Milosevic, J. (2008)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Similarity:
Elabbasy, E.M., Elhaddad, W.W. (2007)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
Similarity:
Zhiguo Luo, Jian Hua Shen (2004)
Czechoslovak Mathematical Journal
Similarity:
In this paper, oscillattion and nonoscillation criteria are established for neutral differential equations with positive and negative coefficients. Our criteria improve and extend many results known in the literature.