Three comparison theorems are established for the oscillation of the second-order neutral differential equations of mixed type
Our results are new even when . An example is provided to illustrate the main results.
Submitted October 22, 2010. Published November 24, 2010.
Math Subject Classifications: 34K11.
Key Words: Oscillation; neutral functional differential equations; mixed type; second-order; comparison theorem.
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| Tongxing Li |
School of Control Science and Engineering, Shandong University
Jinan, Shandong 250061, China
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