On the approximation of symmetric operators by operators of finite rank

• 1 March 1965
• journal article
• Published by Springer Nature in Israel Journal of Mathematics
• Vol. 3  (1) , 1-5
• https://doi.org/10.1007/bf02760019

Abstract

Keywords

• SYMMETRIC OPERATORS
• APPROXIMATION
• FINITE RANK
• ELEMENTARY PROPERTIES
• SYMMETRY CONDITION
• PROOF UTILIZES
• THEOREM