Closedness and Self-Adjointness Criteria for Block Operator Matrices Involving Fully-Subordinate Entries

被引：0
作者：
Charfi, Salma [1 ]
Ellouz, Hanen [1 ]
机构：
[1] Nat Sch Elect & Telecommun Sfax, BP 1163, Sfax 3018, Tunisia
来源：
FILOMAT | 2022年 / 36卷 / 08期
关键词：
Matrix operator; fully subordinate; diagonal dominant; closed operators; self-adjoint operators; bounded from below; ESSENTIAL SPECTRUM;
D O I：
10.2298/FIL2208729C
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In the present paper, we consider a 2 x 2 block operator matrices with unbounded entry operators acting on Banach spaces. Under some conditions, we develop criteria for its self-adjointness and closedness. The obtained results are applied to an Hamiltonian operator matrix.
引用
收藏
页码：2729 / 2737
页数：9
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