兰州大学学报(自然科学版)
蘭州大學學報(自然科學版)
란주대학학보(자연과학판)
JOURNAL OF LANZHOU UNIVERSITY(NATURAL SCIENCES)
2006年
6期
111-117
,共7页
汪娜%鲁世平%章家顺%沈佐民
汪娜%魯世平%章傢順%瀋佐民
왕나%로세평%장가순%침좌민
偏差变元%周期解%重合度理论
偏差變元%週期解%重閤度理論
편차변원%주기해%중합도이론
deviating argument%periodic solution%continuation theorem
利用重合度理论研究一类三阶具偏差变元微分方程c(t)x'''(t) +2∑i=0[aix(i)2k-1(t) + bix(i)2k-1(t-τi)]+g1(x(t)) + g2(x(t-τ(t))) = p(t)的2π-周期解问题,得到了其存在2π-周期解的一些新的结果.
利用重閤度理論研究一類三階具偏差變元微分方程c(t)x'''(t) +2∑i=0[aix(i)2k-1(t) + bix(i)2k-1(t-τi)]+g1(x(t)) + g2(x(t-τ(t))) = p(t)的2π-週期解問題,得到瞭其存在2π-週期解的一些新的結果.
이용중합도이론연구일류삼계구편차변원미분방정c(t)x'''(t) +2∑i=0[aix(i)2k-1(t) + bix(i)2k-1(t-τi)]+g1(x(t)) + g2(x(t-τ(t))) = p(t)적2π-주기해문제,득도료기존재2π-주기해적일사신적결과.
By means of Mawhin's continuation theorem, we studied a kind of third order functional differential equation with deviating arguments in the following form: c(t)x'''(t) +2∑i=0[aix(i)2k-1(t) + bix(i)2k-1(t-τi)] + g1(x(t)) + g2(x(t-τ(t))) = p(t), and some new results on the existence of 2π-periodic solutions are obtained.