文章基本信息
- 标题：Some results on composition operators on ℓ2
- 本地全文：下载
- 作者：R. K. Singh ; D. K. Gupta ; B. S. Komal 等
- 期刊名称：International Journal of Mathematics and Mathematical Sciences
- 印刷版ISSN：0161-1712
- 电子版ISSN：1687-0425
- 出版年度：1979
- 卷号：2
- 期号：1
- 页码：29-34
- DOI：10.1155/S016117127900003X
- 出版社：Hindawi Publishing Corporation
- 摘要：
A necessary and sufficient condition for a bounded operator to be a composition operator is investigated in this paper. Normal, quasi-hyponormal, paranormal composition operators are characterised.
