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Oscillation Criteria for Third-order Emden-Fowler Delay Dynamic Equations on Time Scales

~(1,2)Li Tongxing ~(1,2)Han Zhenlai ~2Zhang Chenghui ~1Sun Yibing (1 School of Mathematics,University of Jinan,Jinan 250022; 2 School of Control Science and Engineering,Shandong University,Jinan 250061)  
By means of Riccati transformation technique,the authors establish some new oscillation criteria for the third-order Emden-Fowler delay dynamic equations (a(t)(γ(t)x~△(t))~△)~△+p(t)x~γ(τ(t))=0 on a time scales T,whereγ0 is a quotient of odd positive integers,a,r,p are real-valued positive rd-continuous functions defined on T.Some new oscillation results which deal with some cases not covered by existing results in the literature are obtained.Some examples are considered to illustrate the main results.
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