郭獻洲,張相梅
(河北工業(yè)大學理學院,天津 300401)
一類算子的換位代數(shù)的K群
郭獻洲,張相梅
(河北工業(yè)大學理學院,天津 300401)
Schur定理每1個n×n矩陣在酉等價意義下可以唯一地寫成有限個不可約算子的直和.
Jordan標準型定理每1個n×n矩陣在相似意義下可以唯一地寫成有限個強不可約算子的直和.
顯然,1個n×n矩陣A是強不可約的當且僅當A相似于1個n×n的Jordan塊.江澤堅指出強不可約
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[責任編輯 楊屹]
The K groups of commutant algebras of a class of operators
GUO Xianzhou,ZHANG Xiangmei
(School of Science,Hebei University of Technology,Tianjin 300401,China)
1007-2373(2015)06-0073-03
10.14081/j.cnki.hgdxb.2015.06.014
2015-05-15
國家自然科學基金(11171087,10701031)
郭獻洲(1976-),男(漢族),副教授.
數(shù)字出版日期:2015-12-17數(shù)字出版網(wǎng)址:http://www.cnki.net/kcms/detail/13.1208.T.20151217.1509.008.htm l