painlev相关论文
1 Introduction Inecology ,apredator preyinteractionofbothpopu lationsinonedimensionisdescribedbythefollowingsystem[1] :ut(x ,t) =uxx+uM (u ,v) ,vt(x ,t) =βvxx+vN(u ,v) ,(1)whereβisapositiveconstant,uandvarethepreyandpredatordensitiesrespectively ,andthefu......
1 Introduction Inecology ,apredator preyinteractionofbothpopu lationsinonedimensionisdescribedbythefollowingsystem[1] :ut(x ,t) =uxx+uM (u ,v) ,vt(x ,t) =βvxx+vN(u ,v) ,(1)whereβisapositiveconstant,uandvarethepreyandpredatordensitiesrespectively ,andthefu......
利用Painleve分析的方法。将高阶Levi方程进行奇异流型展开.利用调谐因子项将其进行有限项“截断”.证明其具有Painleve可积性,导出其......
非线性色散水波是自然界中重要的可观察的现象之一。波浪通过材料介质(固体,液体或气体)波速传播,其方式和速度依赖于介质的弹性和......