摘要
引进二元Lupas积分算子,研究其导数与函数的光滑性之间的关系.
The author defines the bivariate Lupas integral operators, the equivalence relations between the derivatives of the bivariate Lupas integral operators and the smoothness of the function are given approximately.
出处
《辽宁师范大学学报(自然科学版)》
CAS
1994年第2期110-114,共5页
Journal of Liaoning Normal University:Natural Science Edition
关键词
积分算子
导数
光滑性
函数
Lupas integral operators, derivative, smoothness