Cheng, Che-Man; Akintoye, Daniel Oluwadamilare; Jiao, Ruiqiang Commutator bounds and region of singular values of the commutator with a rank one matrix. (English) Zbl 1458.15033 Linear Algebra Appl. 613, 347-376 (2021). MSC: 15A45 15A42 15A18 15A27 15A60 PDFBibTeX XMLCite \textit{C.-M. Cheng} et al., Linear Algebra Appl. 613, 347--376 (2021; Zbl 1458.15033) Full Text: DOI
Cheng, Che-Man; Liang, Yaru Singular values, eigenvalues and diagonal elements of the commutator of \(2\times 2\) rank one matrices. (English) Zbl 1432.15006 Electron. J. Linear Algebra 36, 1-20 (2020). MSC: 15A18 15A60 PDFBibTeX XMLCite \textit{C.-M. Cheng} and \textit{Y. Liang}, Electron. J. Linear Algebra 36, 1--20 (2020; Zbl 1432.15006) Full Text: Link
Xie, Ze-Jia; Cheng, Che-Man; Jin, Xiao-Qing Some norm inequalities for commutators of contracted tensor products. (English) Zbl 1380.15015 Linear Algebra Appl. 540, 244-256 (2018). MSC: 15A45 15A69 15A60 PDFBibTeX XMLCite \textit{Z.-J. Xie} et al., Linear Algebra Appl. 540, 244--256 (2018; Zbl 1380.15015) Full Text: DOI
Cheng, Che-Man; Liang, Yaru Some sharp bounds for the commutator of real matrices. (English) Zbl 1359.15012 Linear Algebra Appl. 521, 263-282 (2017). MSC: 15A45 15A60 PDFBibTeX XMLCite \textit{C.-M. Cheng} and \textit{Y. Liang}, Linear Algebra Appl. 521, 263--282 (2017; Zbl 1359.15012) Full Text: DOI
Cheng, Che-Man; Jin, Xiao-Qing; Vong, Seak-Weng A survey on the Böttcher-Wenzel conjecture and related problems. (English) Zbl 1383.15001 Oper. Matrices 9, No. 3, 659-673 (2015). MSC: 15-02 15A60 15A27 15A45 60H25 PDFBibTeX XMLCite \textit{C.-M. Cheng} et al., Oper. Matrices 9, No. 3, 659--673 (2015; Zbl 1383.15001) Full Text: DOI Link
Alizadeh, Rahim; Asadi, Mohammad B.; Cheng, Che-Man; Hong, Wanli; Li, Chi-Kwong Spectral radius, numerical radius, and the product of operators. (English) Zbl 1321.47009 J. Math. Anal. Appl. 423, No. 1, 639-645 (2015). Reviewer: Andrzej Sołtysiak (Poznań) MSC: 47A12 47A10 PDFBibTeX XMLCite \textit{R. Alizadeh} et al., J. Math. Anal. Appl. 423, No. 1, 639--645 (2015; Zbl 1321.47009) Full Text: DOI arXiv
Cheng, Che-Man Corrigendum to: “A note on numerical range and product of matrices”. (English) Zbl 1330.15026 Linear Algebra Appl. 459, 622-624 (2014). MSC: 15A60 15B48 15A18 PDFBibTeX XMLCite \textit{C.-M. Cheng}, Linear Algebra Appl. 459, 622--624 (2014; Zbl 1330.15026) Full Text: DOI
Cheng, Che-Man; Gao, Yuan A note on numerical range and product of matrices. (English) Zbl 1264.15021 Linear Algebra Appl. 438, No. 7, 3139-3143 (2013); corrigendum ibid. 459, 622-624 (2014). Reviewer: Maryam Khosravi (Kerman) MSC: 15A60 15B48 15A18 PDFBibTeX XMLCite \textit{C.-M. Cheng} and \textit{Y. Gao}, Linear Algebra Appl. 438, No. 7, 3139--3143 (2013; Zbl 1264.15021) Full Text: DOI
Cheng, Che-Man; Fong, Kin-Sio; Lei, Weng-Fai On some norm inequalities involving the commutator and \(XY-YX^T\). (English) Zbl 1261.15025 Linear Algebra Appl. 438, No. 6, 2793-2807 (2013). Reviewer: Costică Moroşanu (Iaşi) MSC: 15A45 15A60 PDFBibTeX XMLCite \textit{C.-M. Cheng} et al., Linear Algebra Appl. 438, No. 6, 2793--2807 (2013; Zbl 1261.15025) Full Text: DOI
Fong, Kin-Sio; Lok, Io-Kei; Cheng, Che-Man A note on the norm of the commutator and the norm of \(XY-YX^{T}\). (English) Zbl 1235.15021 Linear Algebra Appl. 435, No. 6, 1193-1201 (2011). Reviewer: Omar Hirzallah (Zarqa) MSC: 15A45 15A60 15A18 PDFBibTeX XMLCite \textit{K.-S. Fong} et al., Linear Algebra Appl. 435, No. 6, 1193--1201 (2011; Zbl 1235.15021) Full Text: DOI
Fong, Kin-Sio; Cheng, Che-Man; Lok, Io-Kei Another unitarily invariant norm attaining the minimum norm bound for commutators. (English) Zbl 1204.15032 Linear Algebra Appl. 433, No. 11-12, 1793-1797 (2010). Reviewer: Alexey Alimov (Moskva) MSC: 15A60 15A45 PDFBibTeX XMLCite \textit{K.-S. Fong} et al., Linear Algebra Appl. 433, No. 11--12, 1793--1797 (2010; Zbl 1204.15032) Full Text: DOI
Cheng, Che-Man; Vong, Seak-Weng; Wenzel, David Commutators with maximal Frobenius norm. (English) Zbl 1184.15017 Linear Algebra Appl. 432, No. 1, 292-306 (2010). Reviewer: Jorma K. Merikoski (Tampere) MSC: 15A45 15A60 PDFBibTeX XMLCite \textit{C.-M. Cheng} et al., Linear Algebra Appl. 432, No. 1, 292--306 (2010; Zbl 1184.15017) Full Text: DOI
Cheng, Cheman; Jin, Xiaoqing; Sin, Vaikuong Stability of T.Chan’s preconditioner from numerical range. (English) Zbl 1174.65396 Numer. Math., J. Chin. Univ. 16, No. 1, 28-36 (2007). MSC: 65F35 65F10 15A60 65L05 PDFBibTeX XMLCite \textit{C. Cheng} et al., Numer. Math., J. Chin. Univ. 16, No. 1, 28--36 (2007; Zbl 1174.65396)
Cheng, Cheman; Jin, Xiaoqing; Sin, Vaikuong Stability of T.Chan’s preconditioner from numerical range. (English) Zbl 1141.65361 Numer. Math., J. Chin. Univ. 16, No. 1, 28-36 (2007). MSC: 65F35 65L05 15A60 15A12 PDFBibTeX XMLCite \textit{C. Cheng} et al., Numer. Math., J. Chin. Univ. 16, No. 1, 28--36 (2007; Zbl 1141.65361)
Cheng, Che-Man; Li, Chi-Kwong On the Hu-Hurley-Tam conjecture concerning the generalized numerical range. (English) Zbl 0948.15025 Linear Algebra Appl. 305, No. 1-3, 87-97 (2000). Reviewer: Alexey Alimov (Moskva) MSC: 15A60 PDFBibTeX XMLCite \textit{C.-M. Cheng} and \textit{C.-K. Li}, Linear Algebra Appl. 305, No. 1--3, 87--97 (2000; Zbl 0948.15025) Full Text: DOI
Cheng, Che-Man; Li, Chi-Kwong Some geometrical properties of the decomposable numerical range. (English) Zbl 0819.15019 Linear Multilinear Algebra 37, No. 1-3, 207-212 (1994). Reviewer: V.Prepeliţă (Bucureşti) MSC: 15A60 15B57 PDFBibTeX XMLCite \textit{C.-M. Cheng} and \textit{C.-K. Li}, Linear Multilinear Algebra 37, No. 1--3, 207--212 (1994; Zbl 0819.15019) Full Text: DOI
Cheng, Che-Man On the decomposable numerical range of \(\lambda I-N\). (English) Zbl 0816.15025 Linear Multilinear Algebra 37, No. 1-3, 197-205 (1994). Reviewer: J.Zemánek (Warszawa) MSC: 15A60 PDFBibTeX XMLCite \textit{C.-M. Cheng}, Linear Multilinear Algebra 37, No. 1--3, 197--205 (1994; Zbl 0816.15025) Full Text: DOI
Cheng, Che-Man Two results on C-congruence numerical radii. (English) Zbl 0703.15026 Tamkang J. Math. 21, No. 1, 59-64 (1990). Reviewer: Shaokuan Li MSC: 15A60 PDFBibTeX XMLCite \textit{C.-M. Cheng}, Tamkang J. Math. 21, No. 1, 59--64 (1990; Zbl 0703.15026)