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47B20 Subnormal operators, hyponormal operators, etc. (15 articles)

• El Mouadine, Hamza; Faouzi, Abdelkhalek; Bouhafsi, Youssef: On the range of some elementary operators. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 65 (2024), issue 1, pp. 53-62
• Al Mohammady, Samir; Ould Beinane, Sid Ahmed; Ould Ahmed Mahmoud, Sid Ahmed: On $(n,m)$-$A$-normal and $(n,m)$-$A$-quasinormal semi-Hilbertian space operators. (English). Mathematica Bohemica, vol. 147 (2022), issue 2, pp. 169-186
• Lauric, Vasile: On a Kleinecke-Shirokov theorem. (English). Czechoslovak Mathematical Journal, vol. 71 (2021), issue 3, pp. 817-822
• Jabbarzadeh, Mohammad Reza; Jafari Bakhshkandi, Mehri: Centered weighted composition operators via measure theory. (English). Mathematica Bohemica, vol. 143 (2018), issue 2, pp. 123-134
• Lauric, Vasile: A remark concerning Putinar's model of hyponormal weighted shifts. (English). Czechoslovak Mathematical Journal, vol. 68 (2018), issue 4, pp. 1125-1130
• Bakherad, Mojtaba: Some Berezin number inequalities for operator matrices. (English). Czechoslovak Mathematical Journal, vol. 68 (2018), issue 4, pp. 997-1009
• Jabbarzadeh, Mohammad Reza; Hajipouri, Rana: Weighted Frobenius-Perron operators and their spectra. (English). Mathematica Bohemica, vol. 142 (2017), issue 2, pp. 113-124
• Bouali, Said; Bouhafsi, Youssef: On the range-kernel orthogonality of elementary operators. (English). Mathematica Bohemica, vol. 140 (2015), issue 3, pp. 261-269
• Jabbarzadeh, M. R.; Sarbaz, S. Khalil: Lambert multipliers between $L^p$ spaces. (English). Czechoslovak Mathematical Journal, vol. 60 (2010), issue 1, pp. 31-43
• Bouali, Said; Bouhafsi, Youssef: A remark on the range of elementary operators. (English). Czechoslovak Mathematical Journal, vol. 60 (2010), issue 4, pp. 1065-1074
• Mecheri, S.: A new characterization of Anderson’s inequality in $C_1$-classes. (English). Czechoslovak Mathematical Journal, vol. 57 (2007), issue 2, pp. 697-703
• Ko, Eungil; Nam, Hae-Won; Yang, Youngoh: On totally $\ast$-paranormal operators. (English). Czechoslovak Mathematical Journal, vol. 56 (2006), issue 4, pp. 1265-1280
• Othman, Sadoon Ibrahim: Nearly equivalent operators. (English). Mathematica Bohemica, vol. 121 (1996), issue 2, pp. 133-141
• Horák, Karel; Müller, Vladimír: On commuting isometries. (English). Czechoslovak Mathematical Journal, vol. 43 (1993), issue 2, pp. 373-382
• Murphy, Gerald J.: Self-dual subnormal operators. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 23 (1982), issue 3, pp. 467-473