Idempotent Completions of Operator Partial Matrices

作     者：Heydar Radjavi Peter Rosenthal 

作者机构：Department of Mathematics Shanxi Teachers University Linfen 041004 P. R. ChinaDepartment of Mathematics Statistics and Computing Science Dalhousie University Halifax N.S. B3H 3J5 Canada Department of Mathematics University of Toronto Toronto On M5S 1A1 Canada 

出 版 物：《Acta Mathematica Sinica,English Series》 (数学学报（英文版）)

年 卷 期：1999年第15卷第3期

页      面：333-346页

核心收录：

学科分类：07[理学] 0701[理学-数学] 070101[理学-基础数学] 

基　　金：Project supported by National Natural Science Foundation of China Provincial Natural Science Foundation of Shanxi 

主　　题：Hilbert space Operator matrix Idempotent operator 

摘      要：Necessary and sufficient conditions are obtained for operator partial 2×2 matrices to have an idempotent completion, and all such completions are parametrically represented.