TY  - JOUR
T1  - Oscillations in Non-Autonomous Neutral Impulsive Differential Equations with Several Delays
AU - Lipcsey, Zsolt AU - Isaac, I.O. 
JO  - Journal of Modern Mathematics and Statistics
VL  - 3
IS  - 4
SP  - 73
EP  - 77
PY  - 2009
DA  - 2001/08/19
SN  - 1994-5388
DO  - jmmstat.2009.73.77
UR  - https://makhillpublications.co/view-article.php?doi=jmmstat.2009.73.77
KW  - dependence of conditions on coefficients and delays
KW  -sufficient oscillatory conditions
KW  -Non-autonomous neutral impulsive equations
KW  -characteristic equation
KW  -characteristic roots
AB  - In this study, we establish some sufficient conditions 
        for the oscillation of all the solutions of the non-autonomous neutral 
        impulsive differential equation with several delays </P>
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      <P>where, t, t<SUB>k</SUB>&ge;t<SUB>0</SUB>. The study was carried out under 
        the assumption that for sufficiently large t, the coefficients of the 
        equation satisfy the conditions </P>
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ER  -