ON HYPONORMAL OPERATORS IN KREIN SPACES

被引：0

作者：

Esmeral, Kevin ^{[1
]}

Ferrer, Osmin ^{[2
]}

Jalk, Jorge ^{[3
]}

Lora Castro, Boris ^{[3
]}

机构：

[1] Univ Caldas, Dept Math, Calle 65 26-10, Manizales, Colombia

[2] Univ Sucre, Dept Math, Carrera 28 5-267 Barrio Puerta Roja, Sincelejo, Colombia

[3] Univ Atlantico, Dept Math, Km 7 Antigua Via Puerto Colombia, Barranquilla, Colombia

来源：

ARCHIVUM MATHEMATICUM | 2019年 / 55卷 / 04期

关键词：

Hyponormal operators; Krein spaces; J-hyponormal operators;

D O I：

10.5817/AM2019-4-249

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

In this paper the hyponormal operators on Krein spaces are introduced. We state conditions for the hyponormality of bounded operators focusing, in particular, on those operators T for which there exists a fundamental decomposition K = K+ circle plus K- of the Krein space K with K+ and K- invariant under T.

引用

页码：249 / 259

页数：11

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