Some new oscillation criteria for the second-order neutral delay differential equation (r(t)z'(t))' + q(t)x(sigma(t)) = 0, t >= t(0) are established, where integral(infinity)(t0) (1/r(t))dt = infinity, z(t) = x(t) + [(t)x(tau(t), 0 <= p(t) <= p(0) < infinity, 1(t) > 0. These oscillation criteria extend and improve some known results. An example is considered to illustrate the main results.
机构:Cent S Univ, Sch Math Sci & Comp Technol, Changsha 410083, Hunan, Peoples R China
Lin, Xiaoyan
;
Tang, X. H.
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Cent S Univ, Sch Math Sci & Comp Technol, Changsha 410083, Hunan, Peoples R ChinaCent S Univ, Sch Math Sci & Comp Technol, Changsha 410083, Hunan, Peoples R China
机构:Cent S Univ, Sch Math Sci & Comp Technol, Changsha 410083, Hunan, Peoples R China
Lin, Xiaoyan
;
Tang, X. H.
论文数: 0引用数: 0
h-index: 0
机构:
Cent S Univ, Sch Math Sci & Comp Technol, Changsha 410083, Hunan, Peoples R ChinaCent S Univ, Sch Math Sci & Comp Technol, Changsha 410083, Hunan, Peoples R China