Mabrouk, Mohamed; Zamani, Ali An extension of the \(a\)-numerical radius on \(C^\ast\)-algebras. (English) Zbl 1525.47015 Banach J. Math. Anal. 17, No. 3, Paper No. 42, 23 p. (2023). MSC: 47A12 47A30 46L05 PDFBibTeX XMLCite \textit{M. Mabrouk} and \textit{A. Zamani}, Banach J. Math. Anal. 17, No. 3, Paper No. 42, 23 p. (2023; Zbl 1525.47015) Full Text: DOI arXiv
Feki, Kais; Sahoo, Satyajit Further inequalities for the \(\mathbb{A}\)-numerical radius of certain \(2 \times 2\) operator matrices. (English) Zbl 1523.47010 Georgian Math. J. 30, No. 2, 213-226 (2023). MSC: 47A08 47A12 47A30 47B65 PDFBibTeX XMLCite \textit{K. Feki} and \textit{S. Sahoo}, Georgian Math. J. 30, No. 2, 213--226 (2023; Zbl 1523.47010) Full Text: DOI arXiv
Alahmari, Abdullah; Mabrouk, Mohamed; Zamani, Ali Further results on the \(a\)-numerical range in \(C^\ast\)-algebras. (English) Zbl 1497.46057 Banach J. Math. Anal. 16, No. 2, Paper No. 25, 16 p. (2022). MSC: 46L05 47A12 47A30 PDFBibTeX XMLCite \textit{A. Alahmari} et al., Banach J. Math. Anal. 16, No. 2, Paper No. 25, 16 p. (2022; Zbl 1497.46057) Full Text: DOI
Baklouti, A.; Mabrouk, M. Essential numerical ranges of operators in semi-Hilbertian spaces. (English) Zbl 1492.47010 Ann. Funct. Anal. 13, No. 1, Paper No. 16, 18 p. (2022). MSC: 47A12 46C05 46L05 46E22 PDFBibTeX XMLCite \textit{A. Baklouti} and \textit{M. Mabrouk}, Ann. Funct. Anal. 13, No. 1, Paper No. 16, 18 p. (2022; Zbl 1492.47010) Full Text: DOI