摘要
Ｊ．Ａ．Ｇｏｌｄｓｔｅｉｎ讨论了线性半群与ｃｏｓｉｎｅ算子的关系，导出了ｃｏｓｉｎｅ算子用半群表示的积分关系．该文利用屈超纯所提出变型算子方法，在抽象正则函数类定义变型算子。
Goldstein JA discussed the relation between the linear semigroups and the cosine operator,and deduced the integral expression of the cosine operator by semigroups.Here we use the method of transforming operator produced by professor Qu Chaochun,defining the transforming operator in the abstract regular functions,and infering the integral expression of cosine operator by semigroups.
出处
《云南大学学报（自然科学版）》
CAS
CSCD
1997年第3期317-323,共7页
Journal of Yunnan University(Natural Sciences Edition)
基金
云南省应用基础研究基金
