UMEXPERT - ASSOCIATE PROF. DR. CHOOI WAI LEONG

Publication
Research

ARTICLE IN ACADEMIC JOURNALS

NO	DETAILS OF ARTICLE IN ACADEMIC JOURNALS
1.	Adjacency preserving maps on symmetric tensors 2024 Author(s) : Chooi Wai Leong Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/j.laa.2024.02.029
2.	Adjacency preserving maps between tensor spaces 2024 Author(s) : Chooi Wai Leong Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/j.laa.2024.04.018
3.	Strong commutativity preserving maps on rank k strictly triangular matrices 2024 Author(s) : Chooi Wai Leong Source : LINEAR & MULTILINEAR ALGEBRA DOI : 10.1080/03081087.2024.2404445
4.	On centralizing additive maps on rank one triangular matrices over division rings 2023 Author(s) : Chooi Wai Leong Source : Advances in Operator Theory DOI : 10.1007/s43036-023-00298-2
5.	Strong commutativity preserving additive maps on rank k triangular matrices 2022 Author(s) : Chooi Wai Leong Source : LINEAR & MULTILINEAR ALGEBRA DOI : 10.1080/03081087.2022.2146042
6.	A NOTE ON COMMUTING ADDITIVE MAPS ON RANK K SYMMETRIC MATRICES 2021 Author(s) : Chooi Wai Leong Source : ELECTRONIC JOURNAL OF LINEAR ALGEBRA
7.	Commuting maps on rank one triangular matrices 2021 Author(s) : Tan Li Yin, Muhammad Hazim Bin Abdul Mutalib, Chooi Wai Leong Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/j.laa.2021.05.014
8.	Commuting maps on rank one triangular matrices 2021 Author(s) : Chooi Wai Leong Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/j.laa.2021.05.014
9.	Commuting additive maps on tensor products of matrices 2021 Author(s) : Wong Jian Yong, Chooi Wai Leong Source : LINEAR & MULTILINEAR ALGEBRA DOI : 10.1080/03081087.2021.1920876
10.	Centralizing additive maps on rank r block triangular matrices 2021 Author(s) : Tan Li Yin, Muhammad Hazim Bin Abdul Mutalib, Chooi Wai Leong Source : ACTA SCIENTIARUM MATHEMATICARUM DOI : 10.14232/actasm-020-586-y
11.	A note on commuting additive maps on rank k symmetric matrices 2021 Author(s) : Chooi Wai Leong Source : Electronic Journal of Linear Algebra DOI : 10.13001/ela.2021.6349
12.	Commuting additive maps on tensor products of matrices 2021 Author(s) : Chooi Wai Leong Source : LINEAR & MULTILINEAR ALGEBRA DOI : 10.1080/03081087.2021.1920876
13.	Additive maps on rank k bivectors 2020 Author(s) : Chooi Wai Leong Source : Electronic Journal of Linear Algebra DOI : 10.13001/ela.2020.5109
14.	Classical adjoint commuting and determinant preserving linear maps on Kronecker products of Hermitian matrices 2020 Author(s) : Chooi Wai Leong, Kwa Kiam Heong Source : LINEAR & MULTILINEAR ALGEBRA DOI : 10.1080/03081087.2018.1519010
15.	Commuting maps on rank k triangular matrices 2020 Author(s) : Chooi Wai Leong, Kwa Kiam Heong Source : LINEAR & MULTILINEAR ALGEBRA DOI : 10.1080/03081087.2018.1527281
16.	ADDITIVE MAPS ON RANK K BIVECTORS 2020 Author(s) : Chooi Wai Leong, Kwa Kiam Heong Source : ELECTRONIC JOURNAL OF LINEAR ALGEBRA
17.	Commuting maps on rank k triangular matrices 2020 Author(s) : Chooi Wai Leong, Tan Li Yin, Kwa Kiam Heong Source : LINEAR & MULTILINEAR ALGEBRA DOI : 10.1080/03081087.2018.1527281
18.	Classical adjoint commuting and determinant preserving linear maps on Kronecker products of Hermitian matrices 2020 Author(s) : Chooi Wai Leong, Kwa Kiam Heong Source : LINEAR & MULTILINEAR ALGEBRA DOI : 10.1080/03081087.2018.1519010
19.	Commuting maps on invertible triangular matrices over F-2 2019 Author(s) : Chooi Wai Leong, Kwa Kiam Heong Source : LINEAR ALGEBRA AND ITS APPLICATIONS
20.	Additive maps of rank r tensors and symmetric tensors 2019 Author(s) : Chooi Wai Leong, Kwa Kiam Heong Source : LINEAR & MULTILINEAR ALGEBRA DOI : 10.1080/03081087.2018.1451477
21.	Commuting maps on invertible triangular matrices over F_2 2019 Author(s) : Chooi Wai Leong, Tan Li Yin, Kwa Kiam Heong Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/j.laa.2019.08.023
22.	Additive maps of rank r tensors and symmetric tensors 2019 Author(s) : Chooi Wai Leong, Kwa Kiam Heong Source : LINEAR MULTILINEAR ALGEBRA
23.	Coherence invariant maps on tensor products 2017 Author(s) : Lim Ming Huat, Kwa Kiam Heong, Chooi Wai Leong Source : Linear Algebra and its Applications DOI : 10.1016/j.laa.2016.11.023
24.	Coherence invariant maps on tensor products 2017 Author(s) : Chooi Wai Leong, Kwa Kiam Heong Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/j.laa.2016.11.023
25.	A note on classical adjoint commuting linear maps of tensor products of matrices 2016 Author(s) : Kwa Kiam Heong, Chooi Wai Leong, Lau Jing Ting Source : Linear and Multilinear Algebra DOI : 10.1080/03081087.2015.1120703
26.	A note on classical adjoint commuting linear maps of tensor products of matrices 2016 Author(s) : Chooi Wai Leong Source : LINEAR & MULTILINEAR ALGEBRA DOI : 10.1080/03081087.2015.1120703
27.	Linear spaces and preservers of bounded rank-two per-symmetric triangular matrices 2014 Author(s) : Lim Ming Huat, Ng Zhen Chuan, Kwa Kiam Heong, Chooi Wai Leong Source : Electronic Journal of Linear Algebra DOI : 10.13001/1081-3810.1922
28.	CLASSICAL ADJOINT COMMUTING MAPPINGS ON ALTERNATE MATRICES AND SKEW-HERMITIAN MATRICES 2014 Author(s) : Chooi Wai Leong Source : Operators and Matrices
29.	Classical adjoint commuting mappings on alternate matrices and skew-Hermitian matrices 2014 Author(s) : Ng Wei Shean, Chooi Wai Leong Source : OPERATORS AND MATRICES DOI : 10.7153/oam-08-25
30.	LINEAR SPACES AND PRESERVERS OF BOUNDED RANK-TWO PER-SYMMETRIC TRIANGULAR MATRICES 2014 Author(s) : Chooi Wai Leong Source : ELECTRONIC JOURNAL OF LINEAR ALGEBRA DOI : 10.13001/1081-3810.1922
31.	Linear spaces and preservers of symmetric matrices of bounded rank-two 2013 Author(s) : Chooi Wai Leong Source : Linear Multilinear Algebra
32.	Linear spaces and preservers of symmetric matrices of bounded rank-two 2013 Author(s) : Chooi Wai Leong, Lim Ming Huat, Ng Zhen Chuan Source : LINEAR & MULTILINEAR ALGEBRA DOI : 10.1080/03081087.2012.732576
33.	Classical adjoint-commuting mappings on Hermitian and symmetric matrices 2011 Author(s) : Chooi Wai Leong, Ng Wei Shean Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/j.laa.2011.01.010
34.	COMPOUND-COMMUTING ADDITIVE MAPS ON MATRIX SPACES 2011 Author(s) : Chooi Wai Leong Source : Journal of the Korean Mathematical Society
35.	Compound-commuting additive maps on matrix spaces 2011 Author(s) : Chooi Wai Leong Source : JOURNAL OF THE KOREAN MATHEMATICAL SOCIETY DOI : 10.4134/JKMS.2011.48.1.083
36.	Classical adjoint-commuting mappings on Hermitian and symmetric matrices 2011 Author(s) : Chooi Wai Leong Source : Linear Algebra and Its Applications
37.	Rank-one nonincreasing additive maps between block triangular matrix algebras 2010 Author(s) : Chooi Wai Leong Source : Linear and Multilinear Algebra DOI : 10.1080/03081080902943628
38.	On classical adjoint-commuting mappings between matrix algebras 2010 Author(s) : Chooi Wai Leong Source : Linear Algebra and Its Applications
39.	On classical adjoint-commuting mappings between matrix algebras 2010 Author(s) : Chooi Wai Leong, Ng Wei Shean Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/j.laa.2009.12.001
40.	Rank-one non-increasing additive maps between block triangular matrix algebras 2010 Author(s) : Chooi Wai Leong Source : Linear Multilinear Algebra
41.	Additive rank-one preservers on block triangular matrix spaces 2006 Author(s) : Lim Ming Huat, Chooi Wai Leong Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/j.laa.2005.12.006
42.	Additive rank-one preservers on block triangular matrix spaces 2006 Author(s) : Chooi Wai Leong, Lim Ming Huat Source : Linear Algebra and Its Applications
43.	Additive preservers of rank-additivity on matrix spaces 2005 Author(s) : Lim Ming Huat, Chooi Wai Leong Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/j.laa.2005.01.020
44.	Additive preservers of rank-additivity on matrix spaces 2005 Author(s) : Chooi Wai Leong, Lim Ming Huat Source : Linear Algebra and Its Applications
45.	Additive preservers of rank-additivity on matrix spaces 2004 Author(s) : Lim Ming Huat, Lim Ming Huat, Chooi Wai Leong Source : Journal of Natural Science of Heilongjiang University DOI : 1001-7011(2004)04-0046-04
46.	Adjacency preserving maps on upper triangular matrix algebras 2003 Author(s) : Lim Ming Huat, Chooi Wai Leong Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/S0024-3795(02)00591-8
47.	Some linear preserver problems on block triangular matrix algebras 2003 Author(s) : Lim Ming Huat, Chooi Wai Leong Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/S0024-3795(03)00365-3
48.	Coherence invariant mappings on block triangular matrix spaces 2002 Author(s) : Lim Ming Huat, Chooi Wai Leong Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/S0024-3795(01)00510-9
49.	Rank-one nonincreasing mappings on triangular matrices and some related preserver problems 2002 Author(s) : Lim Ming Huat, Chooi Wai Leong Source : Linear and Multilinear Algebra
50.	Linear preservers on triangular matrices 1998 Author(s) : Lim Ming Huat, Chooi Wai Leong Source : LINEAR ALGEBRA AND ITS APPLICATIONS DOI : 10.1016/S0024-3795(97)00069-4

CHAPTER IN BOOK

NO	DETAILS OF CHAPTER IN BOOK
1.	Complex Variables 2006 Author(s) : Chooi Wai Leong
2.	Calclulus of one variable 2006 Author(s) : Chooi Wai Leong
3.	Complex numbers and elementary functions 2006 Author(s) : Chooi Wai Leong

PROCEEDING

NO	DETAILS OF PROCEEDING
1.	Rank-one nonincreasing linear maps on block triangular matrix algebras 2002 Author(s) : Chooi Wai Leong
2.	Product preserving linear transformations on matrix spaces 1996 Author(s) : Chooi Wai Leong

RESEARCH PROJECT

GRANT	PROGRESS	STATUS
Preserver Problems On Functional Identities And Grassmann Spaces Researcher(s) : Prof. Dr. Angelina Chin Yan Mui, Tan Yean Nee, Chia Gek Ling, Tan Li Yin		end
Preserver Problems On Tensor Products Related To Quantum Information Science Researcher(s) : Prof. Dr. Angelina Chin Yan Mui, Tan Yean Nee, Seok Zun Song, Lim Ming Huat		end
Some Presever Problems On Tensor Products Related To Functional Idendities Researcher(s) : Prof. Dr. Angelina Chin Yan Mui		end
Preserver Problems On Tensor Product Of Matrices Related To Quantum Information Science. Researcher(s) : Dr. Kwa Kiam Heong		end
Geometry Of Triangular Matrices And Its Applications In Preserver Problems		end