(α, β)-Normal Operators in Several Variables

被引：0
作者：
Mahmoud, Sid Ahmed Ould Ahmed [1 ]
Ahmed, Ahmed Himadan [2 ]
Sarosh, Ahmad [1 ]
机构：
[1] Jouf Univ, Dept Math Coll Sci, POB 2014, Sakaka, Saudi Arabia
[2] Qassim Univ, Dept Math, Coll Sci & Arts, Ar Rass, Saudi Arabia
来源：
MATHEMATICAL PROBLEMS IN ENGINEERING | 2022年 / 2022卷
关键词：
HYPONORMALITY; TUPLES;
D O I：
10.1155/2022/3020449
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We consider an extension of the concept of (alpha, beta)-normal operators in single variable operator to tuples of operators, similar to those extensions of the concepts of normality to joint normality, hyponormality to joint hyponormality, and quasi-hyponormality to joint quasi-hyponormality.
引用
收藏
页数：11
相关论文
共 25 条
  • [1] ON JOINT HYPONORMALITY OF OPERATORS
    ATHAVALE, A
    [J]. PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY, 1988, 103 (02) : 417 - 423
  • [2] Bachir A, 2020, REND CIRC MAT PALERM, V69, P1243, DOI 10.1007/s12215-019-00454-9
  • [3] Joint normality of operators in semi-Hilbertian spaces
    Baklouti, Hamadi
    Feki, Kais
    Mahmoud, Sid Ahmed Ould Ahmed
    [J]. LINEAR & MULTILINEAR ALGEBRA, 2020, 68 (04) : 845 - 866
  • [4] Joint numerical ranges of operators in semi-Hilbertian spaces
    Baklouti, Hamadi
    Feki, Kais
    Ahmed, Ould Ahmed Mahmoud Sid
    [J]. LINEAR ALGEBRA AND ITS APPLICATIONS, 2018, 555 : 266 - 284
  • [5] Benali A, 2019, AFR MAT, V30, P903, DOI 10.1007/s13370-019-00690-3
  • [6] Braha NL, 2009, BULL MATH ANAL APPL, V1, P23
  • [7] CHO M, 1981, PAC J MATH, V95, P27
  • [8] Cho M, 2021, ANN FUNCT ANAL, V12, DOI 10.1007/s43034-020-00093-7
  • [9] (A, m)-SYMMETRIC COMMUTING TUPLES OF OPERATORS ON A HILBERT SPACE
    Cho, Muneo
    Mahmoud, Sid Ahmed Ould Ahmed
    [J]. MATHEMATICAL INEQUALITIES & APPLICATIONS, 2019, 22 (03): : 931 - 947
  • [10] Connay J.B, 1990, COURSE FUNCTIONAL AN
123