W 2, ∞ solutions existence of the Dirichlet problem for Hessian equations with the obstacle is proved.
本文证明了有Obstacle的Hessian方程的Dirichlet问题 之W~(2, ∞)解的存在性.
Hua's estimate is obtained for some Dirichlet character sums of rational functions.
对有理函数的特征和得到了一个估计,这个估计是华罗庚关于三角和的一个估计的类比.
Taking Dirichlet distribution as prior distribution, the method for determining prior distribution parameters was given.
以狄氏分布作为先验分布, 给出了先验分布参数的确定方法.