简介:论证了零级υ值代数体函数w(z)在满足某些条件下T方向的存在性,同时给出了最大型Borel方向与T方向之间的关系.
简介:Inthispaper,westudytheglobalasymptotiestabilityofthezerosolutionofageneralizedLienard'ssystem{x^.=φ(y)y^.=-f(x)φ(y)-g(x)byconstructinganewLiapunovfunction.Thesufficientandneoessaryconditionsforglobalasymptoticstabilityundergivenconditionsareobtained.