对称算子对称延拓的Calkin描述

CALKIN APPROACH OF SYMMETRIC EXTENSIONS OF SYMMETRIC OPERATORS

文［１］在亏指数相等的条件下给出对称算子自伴延拓的Ｃａｌｋｉｎ描述。本文给出对称算子对称延拓的Ｃａｌｋｉｎ描述，去掉了亏指数相等的限制。

In ［1］ ，the Calkin approach of selfadjoint extensions of symmetric operators with equal defectindex is given. In this paper，we obtain the Calkin approach of symmetric extensions of symmetricoperator with any defect index.