A class of first order neutral delay differential equations are investigated, and sufficient condition is derived for all solutions to be oscillatory. This result solves an open problem in the literature.
机构:
S China Normal Univ, Sch Math, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Sch Math, Guangzhou 510631, Guangdong, Peoples R China
Ye, Luhong
Xu, Zhiting
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机构:
S China Normal Univ, Sch Math, Guangzhou 510631, Guangdong, Peoples R ChinaS China Normal Univ, Sch Math, Guangzhou 510631, Guangdong, Peoples R China