对多复变Cn中有界对称域Ω上球代数的中心逼近性质进行了研究.通过建立多项式偏差估计,最终获得了Jackson型定理.
The purpose of this article is to research central approximation properties in ball algebra A(Ω)in bounded symmetric domains Ω of Cn.The derivative estimation has been established to finally obtain Jackson type inequality.