A note on "oscillation criteria for second-order nonlinear neutral dynamic equations on time scales

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Published: Dec 22, 2015
DOI: https://doi.org/10.5556/j.tkjm.46.2015.1766
Keywords:
Oscillation neutral equation dynamic equation time scales

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Hassan Ahmed Hassan Agwa
Ain Shams University
Ahmed Mohamed Mohamed Khodier
Mahmoud Haman Osman Salm

Abstract

In this work, we give a counter example for the main result of the paper \small[Tamkang J. of Math., 43 (1)(2012), 109--122.] and we give the correct formula for some theorems given in their work.

Article Details

How to Cite
Agwa, H. A. H., Khodier, A. M. M., & Salm, M. H. O. (2015). A note on "oscillation criteria for second-order nonlinear neutral dynamic equations on time scales. Tamkang Journal of Mathematics, 46(4), 435–439. https://doi.org/10.5556/j.tkjm.46.2015.1766
Issue
Vol. 46 No. 4 (2015)
Section
Papers
Author Biographies

Hassan Ahmed Hassan Agwa, Ain Shams University

Department ofMathematics, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt.

Ahmed Mohamed Mohamed Khodier

Department ofMathematics, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt.

Mahmoud Haman Osman Salm

Department ofMathematics, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt.

References

E. Thandapani and V. Piramanantham, Oscillation criteria for second order nonlinear neutral dynamic equations on time scales, Tamkang J. of Math.,43(1)

(2012), 109--122.

S.-Y. Zhang and Q.-R. Wang, Oscillation of second-order nonlinear neutral dynamic equations on time scales, Applied Math. and Computation, 216(2010), 2837--2848.