<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">QINGKAI KONG</style></author><author><style face="normal" font="default" size="100%">QI-RU WANG</style></author><author><style face="normal" font="default" size="100%">ZHI-QIANG ZHU</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">KAMENEV-TYPE OSCILLATION CRITERIA FOR SECOND-ORDER MATRIX DYNAMIC EQUATIONS ON TIME SCALES</style></title><secondary-title><style face="normal" font="default" size="100%">Dynamic Systems and Applications</style></secondary-title></titles><keywords><keyword><style  face="normal" font="default" size="100%">34C10</style></keyword><keyword><style  face="normal" font="default" size="100%">39A12</style></keyword></keywords><dates><year><style  face="normal" font="default" size="100%">2009</style></year><pub-dates><date><style  face="normal" font="default" size="100%">2009</style></date></pub-dates></dates><urls><web-urls><url><style face="normal" font="default" size="100%">https://acadsol.eu/dsa/articles/18/30-DSA-163.pdf</style></url></web-urls></urls><volume><style face="normal" font="default" size="100%">18</style></volume><pages><style face="normal" font="default" size="100%">17</style></pages><language><style face="normal" font="default" size="100%">eng</style></language><abstract><style face="normal" font="default" size="100%">&lt;p&gt;We consider the second order matrix valued dynamic equation ( P(t) X&lt;sup&gt;∆&lt;/sup&gt;(t) )&lt;sup&gt;∆&lt;/sup&gt; + Q(t) X( σ(t) ) = 0 on a time scale T, where P, Q ∈ C&lt;sub&gt;rd&lt;/sub&gt;(T, R&lt;sup&gt;n×n&lt;/sup&gt; ) with P(t) positive definite and Q(t) Hermitian on T. Kamenev type criteria and interval criteria are established. Our results cover those for matrix differential equations and provide new oscillation criteria for matrix difference equations.&lt;/p&gt;
</style></abstract><section><style face="normal" font="default" size="100%">423</style></section></record></records></xml>