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Author ID: cheung.waishun Recent zbMATH articles by "Cheung, Waishun"
Published as: Cheung, Wai-Shun; Cheung, Wai Shun; Cheung, Waishun
Documents Indexed: 27 Publications since 1996
Co-Authors: 15 Co-Authors with 20 Joint Publications
766 Co-Co-Authors

Publications by Year

Citations contained in zbMATH Open

18 Publications have been cited 337 times in 274 Documents Cited by Year
Lie derivations of triangular algebras. Zbl 1060.16033
Cheung, Wai-Shun
125
2003
Commuting maps of triangular algebras. Zbl 1014.16035
Cheung, Wai-Shun
123
2001
The \(C\)-numerical range of matrices is star-shaped. Zbl 0876.15021
Cheung, Wai-Shun; Tsing, Nam-Kiu
20
1996
Multiplicative preservers on semigroups of matrices. Zbl 1025.15001
Cheung, Wai-Shun; Fallat, Shaun; Li, Chi-Kwong
13
2002
A companion matrix approach to the study of zeros and critical points of a polynomial. Zbl 1095.15007
Cheung, Wai Shun; Ng, Tuen Wai
12
2006
Isometries between matrix algebras. Zbl 1078.15001
Cheung, Wai-Shun; Li, Chi-Kwong; Poon, Yiu-Tung
8
2004
Linear maps transforming the unitary group. Zbl 1034.15004
Cheung, Wai-Shun; Li, Chi-Kwong
7
2003
Linear operators preserving generalized numerical ranges and radii on certain triangular algebras of matrices. Zbl 0989.15011
Cheung, Wai-Shun; Li, Chi-Kwong
6
2001
A three-dimensional voting system in Hong Kong. Zbl 1338.91045
Cheung, Wai-Shun; Ng, Tuen-Wai
5
2014
Elementary proofs for some results on the circular symmetry of the numerical range. Zbl 1350.15012
Cheung, Wai-Shun; Li, Chi-Kwong
5
2013
Multiplicities, boundary points, and joint numerical ranges. Zbl 1213.15019
Cheung, Wai-Shun; Liu, Xuhua; Tam, Tin-Yau
3
2011
Multiplicative preservers and induced operators. Zbl 1072.15036
Cheung, Wai-Shun; Duffner, M. Antonia; Li, Chi-Kwong
2
2005
On the boundary of rank-\(k\) numerical ranges. Zbl 1305.15051
Cheung, Wai-Shun
2
2014
Operators with numerical range in a given closed half plane. Zbl 1136.47004
Cheung, Wai-Shun; Li, Chi-Kwong; Rodman, Leiba
2
2007
Optimizing quadratic forms of adjacency matrices of trees and related eigenvalue problems. Zbl 0981.15020
Cheung, Wai-Shun; Li, Chi-Kwong; Olesky, D. D.; van den Driessche, P.
1
2001
Graceful labeling for mushroom trees. Zbl 1317.05170
Chan, Tsz Lung; Cheung, Wai Shun; Ng, Tuen Wai
1
2015
Graceful tree conjecture for infinite trees. Zbl 1188.05110
Chan, Tsz Lung; Cheung, Wai Shun; Ng, Tuen Wai
1
2009
The \(K\)-orbit of a normal element in a complex semisimple Lie algebra. Zbl 1197.22001
Tam, Tin-Yau; Cheung, Wai-Shun
1
2008
Graceful labeling for mushroom trees. Zbl 1317.05170
Chan, Tsz Lung; Cheung, Wai Shun; Ng, Tuen Wai
1
2015
A three-dimensional voting system in Hong Kong. Zbl 1338.91045
Cheung, Wai-Shun; Ng, Tuen-Wai
5
2014
On the boundary of rank-\(k\) numerical ranges. Zbl 1305.15051
Cheung, Wai-Shun
2
2014
Elementary proofs for some results on the circular symmetry of the numerical range. Zbl 1350.15012
Cheung, Wai-Shun; Li, Chi-Kwong
5
2013
Multiplicities, boundary points, and joint numerical ranges. Zbl 1213.15019
Cheung, Wai-Shun; Liu, Xuhua; Tam, Tin-Yau
3
2011
Graceful tree conjecture for infinite trees. Zbl 1188.05110
Chan, Tsz Lung; Cheung, Wai Shun; Ng, Tuen Wai
1
2009
The \(K\)-orbit of a normal element in a complex semisimple Lie algebra. Zbl 1197.22001
Tam, Tin-Yau; Cheung, Wai-Shun
1
2008
Operators with numerical range in a given closed half plane. Zbl 1136.47004
Cheung, Wai-Shun; Li, Chi-Kwong; Rodman, Leiba
2
2007
A companion matrix approach to the study of zeros and critical points of a polynomial. Zbl 1095.15007
Cheung, Wai Shun; Ng, Tuen Wai
12
2006
Multiplicative preservers and induced operators. Zbl 1072.15036
Cheung, Wai-Shun; Duffner, M. Antonia; Li, Chi-Kwong
2
2005
Isometries between matrix algebras. Zbl 1078.15001
Cheung, Wai-Shun; Li, Chi-Kwong; Poon, Yiu-Tung
8
2004
Lie derivations of triangular algebras. Zbl 1060.16033
Cheung, Wai-Shun
125
2003
Linear maps transforming the unitary group. Zbl 1034.15004
Cheung, Wai-Shun; Li, Chi-Kwong
7
2003
Multiplicative preservers on semigroups of matrices. Zbl 1025.15001
Cheung, Wai-Shun; Fallat, Shaun; Li, Chi-Kwong
13
2002
Commuting maps of triangular algebras. Zbl 1014.16035
Cheung, Wai-Shun
123
2001
Linear operators preserving generalized numerical ranges and radii on certain triangular algebras of matrices. Zbl 0989.15011
Cheung, Wai-Shun; Li, Chi-Kwong
6
2001
Optimizing quadratic forms of adjacency matrices of trees and related eigenvalue problems. Zbl 0981.15020
Cheung, Wai-Shun; Li, Chi-Kwong; Olesky, D. D.; van den Driessche, P.
1
2001
The \(C\)-numerical range of matrices is star-shaped. Zbl 0876.15021
Cheung, Wai-Shun; Tsing, Nam-Kiu
20
1996
all top 5

Cited by 265 Authors

21 Wang, Yu
20 Li, Chi-Kwong
18 Ashraf, Mohammad
15 Wei, Feng
13 Qi, Xiaofei
12 Benkovič, Dominik
10 Hou, Jinchuan
10 Xiao, Zhankui
9 Sze, Nung-Sing
9 Zhang, Jianhua
8 Akhtar, Mohd Shuaib
8 Fošner, Ajda
8 Lu, Fangyan
7 Ansari, Mohammad Afajal
7 Cheung, Waishun
7 Chooi, Wai-Leong
7 Jabeen, Aisha
6 Du, Yiqiu
6 Eremita, Daniel
6 Ghahramani, Hoger
6 Li, Changjing
6 Poon, Yiu-Tung
5 Liu, Cheng-Kai
4 An, Runling
4 Bahmani, Mohammad Ali
4 Bennis, Driss
4 Dirr, Gunther
4 Fang, Xiaochun
4 Guterman, Alexander Èmilevich
4 Ji, Peisheng
4 Jing, Wu
4 Liang, Xinfeng
4 Liu, Lei
4 Nakazato, Hiroshi
4 Ng, Tuen-Wai
4 Poon, Edward
4 Tan, Li Yin
4 Vishki, Hamid Reza Ebrahimi
4 Yu, Weiyan
3 An, Guangyu
3 Cao, Chongguang
3 Chen, Lin
3 Chen, Quanyuan
3 Chen, Zhengxin
3 Ferreira, Bruno Leonardo Macedo
3 He, Jun
3 Helmke, Uwe R.
3 Kong, Liang
3 Lau, Pan-Shun
3 Li, Yanbo
3 Parveen, Nazia
3 Rodman, Leiba X.
3 Šemrl, Peter
3 Tang, Xiaomin
3 Tsing, Nam-Kiu
3 Wang, Ting
3 Wang, Yao
3 Zhang, Xian
2 Ahmed, Driss Aiat Hadj
2 Akhter, Md Shamim
2 Bourhim, Abdellatif
2 Chien, Mao-Ting
2 Clark, Sean
2 Danielyan, S. V.
2 Diogo, Cristina
2 Fadaee, Behrooz
2 Fahid, Brahim
2 Gau, Hwa-Long
2 Ghomanjani, Fateme
2 Han, Dong
2 Khadem-Maboudi, Ali Akbar
2 Khan, Abdul Nadim
2 Khrypchenko, Mykola S.
2 Kurz, Sascha
2 Li, Jiankui
2 Lim, Ming-Huat
2 Mabrouk, Mohamed
2 Martín González, Cándido
2 Mokhtari, Amir Hosein
2 Mutalib, M. H. A.
2 Napel, Stefan
2 Pereira Soares, Maria da Graca
2 Qi, Weiqing
2 Sánchez Ortega, Juana
2 Schulte-Herbrüggen, Thomas
2 Spitkovsky, Ilya Matvey
2 Wani, Bilal Ahmad
2 Weis, Stephan
2 Yuan, He
2 Zhou, Jiren
1 Abbasi, Adnan
1 Abdaoui, Meher
1 Adm, Mohammad
1 Adrabi, Abderrahim
1 Ahmad, Musheer
1 Aiat Hadj, Driss Ahmed
1 Alwill, Michael
1 Attar, Azam Erfanian
1 Bai, Jie
1 Barootkoob, Sedigheh
...and 165 more Authors
all top 5

Cited in 83 Serials

77 Linear Algebra and its Applications
45 Linear and Multilinear Algebra
10 Communications in Algebra
8 Bulletin of the Iranian Mathematical Society
8 Operators and Matrices
7 Aequationes Mathematicae
5 Journal of Mathematical Analysis and Applications
5 Acta Mathematica Sinica. English Series
3 Rocky Mountain Journal of Mathematics
3 Integral Equations and Operator Theory
3 Journal of Algebra
3 Proceedings of the American Mathematical Society
3 Quaestiones Mathematicae
3 Georgian Mathematical Journal
3 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
3 Mediterranean Journal of Mathematics
3 Banach Journal of Mathematical Analysis
3 Open Mathematics
2 Applied Mathematics and Computation
2 Demonstratio Mathematica
2 Acta Mathematica Hungarica
2 European Journal of Operational Research
2 Proceedings of the Indian Academy of Sciences. Mathematical Sciences
2 ELA. The Electronic Journal of Linear Algebra
2 Abstract and Applied Analysis
2 Journal of the Australian Mathematical Society
2 Journal of Algebra and its Applications
2 Complex Analysis and Operator Theory
2 Special Matrices
2 Advances in Operator Theory
1 Bulletin of the Australian Mathematical Society
1 Indian Journal of Pure & Applied Mathematics
1 Israel Journal of Mathematics
1 Periodica Mathematica Hungarica
1 Studia Mathematica
1 Ukrainian Mathematical Journal
1 Beiträge zur Algebra und Geometrie
1 Acta Scientiarum Mathematicarum
1 Czechoslovak Mathematical Journal
1 Journal of Pure and Applied Algebra
1 Journal für die Reine und Angewandte Mathematik
1 Kyungpook Mathematical Journal
1 Monatshefte für Mathematik
1 Proceedings of the Edinburgh Mathematical Society. Series II
1 Rendiconti del Circolo Matemàtico di Palermo. Serie II
1 Results in Mathematics
1 Revista de la Unión Matemática Argentina
1 Ricerche di Matematica
1 Siberian Mathematical Journal
1 Transactions of the American Mathematical Society
1 Mathematical Social Sciences
1 SIAM Journal on Matrix Analysis and Applications
1 Expositiones Mathematicae
1 Journal of Mathematical Sciences (New York)
1 Filomat
1 Journal of Convex Analysis
1 Journal of Lie Theory
1 Electronic Journal of Probability
1 Arab Journal of Mathematical Sciences
1 Soft Computing
1 Communications of the Korean Mathematical Society
1 Annales Mathematicae Silesianae
1 Computational Methods and Function Theory
1 Boletim da Sociedade Paranaense de Matemática. Terceira Série
1 GAMM-Mitteilungen
1 Optimization Letters
1 Involve
1 Vestnik Samarskogo Gosudarstvennogo Tekhnicheskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki
1 Acta Universitatis Sapientiae. Mathematica
1 Advances in Pure and Applied Mathematics
1 Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A: Matemáticas. RACSAM
1 Annals of Functional Analysis
1 Afrika Matematika
1 Communications in Mathematics
1 Palestine Journal of Mathematics
1 Communications in Mathematics and Statistics
1 Journal of Mathematics
1 Journal of Linear and Topological Algebra
1 Journal of Function Spaces
1 Khayyam Journal of Mathematics
1 Korean Journal of Mathematics
1 Bollettino dell’Unione Matematica Italiana
1 Journal of Algebraic Systems

Citations by Year