ultrahyperbolic equation

The characteristic problem of nonhomogenenous ultrahyperbolic equation of four variates;

四变元非齐次超双曲[型]方程的特征问题

he introduction of the universal potential has opened up a new bath to the research on theultrahyperbolic equation.

广义势的引入，为超双曲[型]方程的研究开辟了又一条新途径。

It is proved that u(x,y) is a solution of nonhomogeneous ultrahyperbolic equation of 2 m variables, if mean value of u(x,y) on ∑ mi=1(x i-x i 0) 2=r 2,∑mi=1(y i-y i 0) 2=s 2 satisfies an ide.

讨论了２ｍ个变元非齐次超双曲[型]方程的中量性质。

The boundary-value problem of an ultra-hyperbolic equation with an integral condition;

具一积分条件的超双曲[型]方程的边值问题

Nano materials especially functional nano materials (such as superhydorphobic and superamphiphobic materials ect.

纳米材料、微纳复合材料尤其是具有特殊浸润性(如超疏水性、超双疏性等)的微纳复合材料在人们的日常生活和国民生产各个部门都有着广泛的应用前景,因而也引起科学界的广泛关注。

And we give the definition of Lie super coalgebra and Lie super bialgebra.

本文主要讨论了特征p=0的代数闭域上的低维李超双代数的分类问题。