Advances in Difference Equations
Volume 2007 (2007), Article ID 70730, 16 pages
Oscillation Criteria for Second-Order Delay Dynamic Equations on Time Scales
1Institute of Applied Mathematics, Naval Aeronautical Engineering Institute, Yantai 264001, Shandong, China
2School of Science, Jinan University, Jinan 250022, Shandong, China
Received 4 September 2006; Revised 15 January 2007; Accepted 9 February 2007
Academic Editor: Martin J. Bohner
Copyright © 2007 Zhenlai Han et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
By means of Riccati transformation technique, we
establish some new oscillation criteria for the second-order
nonlinear delay dynamic equations
on a time scale , here is a quotient of
odd positive integers with and real-valued positive rd-continuous functions defined on .