This paper is concerned with the oscillation of a class of general type of second-order differential equations with nonlinear damping terms. We obtain new oscillation criteria without an assumption that has been required for related results reported [8]. Several new oscillation criteria are established under quite general assumptions. Example is given to illustrate the results.
机构:
Univ S China, Ctr Nucl Energy Econ & Management, Hengyang 421001, Peoples R China
Univ S China, Sch Phys & Mat, Hengyang 421001, Peoples R ChinaUniv S China, Ctr Nucl Energy Econ & Management, Hengyang 421001, Peoples R China
Ouyang, Zigen
Zhong, Jichao
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Univ S China, Ctr Nucl Energy Econ & Management, Hengyang 421001, Peoples R China
Univ S China, Sch Phys & Mat, Hengyang 421001, Peoples R ChinaUniv S China, Ctr Nucl Energy Econ & Management, Hengyang 421001, Peoples R China
Zhong, Jichao
Zou, Shuliang
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Univ S China, Ctr Nucl Energy Econ & Management, Hengyang 421001, Peoples R ChinaUniv S China, Ctr Nucl Energy Econ & Management, Hengyang 421001, Peoples R China