【摘要】 通过应用拓扑度的方法,获得了一类n阶非线性中立型微分方程2Π周期解存在性的若干结论.更多还原

【Abstract】 By applying the continuation theorem of coincidence degree theory,the authors establish the existence of 2π-periodic solutions for a class of nth order neutral functional differential equations.更多还原