摘要
引进一种插值算子,研究在Besov空间中以2π为周期的反周期函数的三角插值的逼近阶和饱和问题,确定了逼近的饱和类.
Using a kind of interpolation operator, we study the 2 periodic trigonometric interpolation approximation and saturation problem of antiperiodic functions in Besov space, and determine the approaching saturation class.
作者
何尚琴
冯秀芳
HE Shangqin FENG Xiufang(School of Mathematics and Computer Science, Ningxia University, Yinchuan 750021, Ningxia College of Mathematics and Information Science and Technology, Hebei Normal University of Science and Technology, Qinhuangdao 066004, Hebei)
出处
《四川师范大学学报(自然科学版)》
CAS
北大核心
2017年第5期628-631,共4页
Journal of Sichuan Normal University(Natural Science)
基金
国家自然科学基金(11161036)
关键词
反周期三角插值算子
BESOV空间
饱和类
antiperiodic trigonometric interpolation operator
Besov space
saturation class