Bani-Ahmad, Feras; Al-Dolat, Mohammed; Tahat, Nedal; Alomari, A. K. Singular value inequalities for commutator operators. (English) Zbl 1281.47020 Int. J. Math. Anal., Ruse 6, No. 41-44, 2083-2089 (2012). MSC: 47B47 15A42 47B15 47A30 PDFBibTeX XMLCite \textit{F. Bani-Ahmad} et al., Int. J. Math. Anal., Ruse 6, No. 41--44, 2083--2089 (2012; Zbl 1281.47020) Full Text: Link
Panayappan, S.; Sivamani, N. On \(n\) power class (\(Q\)) operators. (English) Zbl 1266.47039 Int. J. Math. Anal., Ruse 6, No. 29-32, 1513-1518 (2012). Reviewer: Takeaki Yamazaki (Kawagoe) MSC: 47B20 47B15 PDFBibTeX XMLCite \textit{S. Panayappan} and \textit{N. Sivamani}, Int. J. Math. Anal., Ruse 6, No. 29--32, 1513--1518 (2012; Zbl 1266.47039) Full Text: Link
Paul, Kallol; Das, Gopal Symmetric antieigenvalues for normal operators. (English) Zbl 1208.47021 Int. J. Math. Anal., Ruse 4, No. 9-12, 509-525 (2010). Reviewer: Pei Yuan Wu (Hsinchu) MSC: 47B15 PDFBibTeX XMLCite \textit{K. Paul} and \textit{G. Das}, Int. J. Math. Anal., Ruse 4, No. 9--12, 509--525 (2010; Zbl 1208.47021) Full Text: Link