摘要
引进了Bα空间中加权K 泛函与加权光滑模的定义,并推导了其等价性.
We introduce the definition of the weighted K-functional and the weighted smoothness moduli in the B_α space, and prove their equivalence relation.
出处
《宁夏大学学报(自然科学版)》
CAS
2003年第4期307-310,共4页
Journal of Ningxia University(Natural Science Edition)
关键词
BΑ空间
加权K-泛函
加权光滑模
等价性
逼近
B_α space
the weighted
K-functional
smoothness moduli
the equivalence relation