Curriculum Vitae

ASSOCIATE PROF. DR. CHOOI WAI LEONG

Associate Professor
  • Institute of Mathematical Sciences
    Faculty of Science
  • 0379674332

AREAS OF EXPERTISE

  • LINEAR AND MULTILINEAR ALGEBRA
    Linear Preserver Problems, Geometry of Matrices, Functional Identities

ACADEMIC QUALIFICATION

  • Post-Doctoral Research Fellowship, (Linear and Multilinear Algebra)
    University of Lisbon, Portugal
  • PhD(UM)(2001), (Linear & Multilinear Algebra)
    Universiti Malaya (UM)
  • MSc(UM)(1996), (Linear Algebra)
    Universiti Malaya (UM)
  • BSc(Hons)(UM)(1994), (Mathematics)
    Universiti Malaya (UM)

ADMINISTRATIVE DUTIES

  • Ahli Jawatankuasa Pemilihan Staf Akademik ISM
    03 Jan 2023 - 31 Dec 2023 (Department)
  • Ahli Jawatankuasa Kurikulum Institut Sains Matematik 2023
    03 Jan 2023 - 31 Dec 2023 (Department)
  • Ahli Jawatankuasa Ijazah Tinggi Institut Sains Matematik 2023
    03 Jan 2023 - 31 Dec 2023 (Department)
  • Committee Members
    01 Oct 2022 - 01 Oct 2023 (Institute of Mathematical Sciences, Faculty of Science)
  • Committee Members
    06 Oct 2022 - 31 Aug 2023 (Institute of Mathematical Sciences, Faculty of Science)
  • Ahli JawatanKuasa Temuduga dan Pemilihan Pelajar Program Industrial Development Finance Berhad (MIDF) 2022/2023
    22 May 2023 - 15 Jun 2023 (Institute of Mathematical Sciences, Faculty of Science)
  • Ahli Jawatankuasa Penyaringan Kertas Soalan Peperiksaan Semester II 2022/2023 BSc Matematik program.
    12 Apr 2023 - 12 Jun 2023 (Institute of Mathematical Sciences, Faculty of Science)
  • Programme Coordinator
    04 Mar 2022 - 03 Mar 2023 (Department)
  • Committee Members
    13 Apr 2022 - 01 Nov 2022 (Department)
  • Committee Members
    20 Sep 2021 - 30 Sep 2022 (Institute of Mathematical Sciences, Faculty of Science)
  • Committee Members
    01 Mar 2022 - 31 Jul 2022 (Department)
  • Task Force Member
    23 May 2022 - 27 May 2022 (Institute of Mathematical Sciences, Faculty of Science)
  • Ahli Jawatankuasa Ijazah Tinggi ISM, 2019/2020
    01 Sep 2019 - 31 Aug 2020 (Institute of Mathematical Sciences, Faculty of Science)
  • Ahli Jawatankuasa Penyaling Kertas Soalan Peperiksaan (Matematik Tulen) bagi ISM
    21 Oct 2019 - 21 Nov 2019 (Institute of Mathematical Sciences, Faculty of Science)
  • Auditor Dalaman ISM, 2018?2019
    01 Sep 2018 - 31 Aug 2019 (Institute of Mathematical Sciences, Faculty of Science)
  • Ahli Jawatankuasa Ijazah Tinggi ISM, 2018/2019
    01 Sep 2018 - 31 Aug 2019 (Institute of Mathematical Sciences, Faculty of Science)
  • Jawatankuasa Ijazah Tinggi ISM
    01 Sep 2017 - 01 Sep 2018 (Institute of Mathematical Sciences, Faculty of Science)
  • Auditor Dalaman ISM
    01 Sep 2017 - 01 Sep 2018 (Institute of Mathematical Sciences, Faculty of Science)
  • Scientific Committee Member of the 4th International Statistical Conference 2018 (ISM-IV)
    25 Apr 2018 - 03 Aug 2018 (National)
  • Internal Auditor for "Audit Kendiri Fakulti Sains 2018"
    21 May 2018 - 25 May 2018 (Faculty)
  • Deputy Head
    01 Sep 2016 - 13 Aug 2017 (Institute of Mathematical Sciences, Faculty of Science)
  • Coordinator of the Higher Degree for ISM
    01 Sep 2016 - 13 Aug 2017 (Institute of Mathematical Sciences, Faculty of Science)
  • Library Representative for ISM
    01 Sep 2016 - 13 Aug 2017 (Institute of Mathematical Sciences, Faculty of Science)
  • Internal Auditor for 18/2017
    13 Feb 2017 - 01 Jun 2017 (University Malaya)
  • LIBRARY REPRESENTATIVE FOR THE INSTITUTE OF MATHEMATICAL SCIENCES, FACULTY OF SCIENCE
    02 Dec 2014 - 01 Jun 2016 (Institute of Mathematical Sciences, Faculty of Science)
  • Library Representative for the Institute of Mathematical Sciences, Faculty of Science.
    01 Jan 2008 - 01 Dec 2014 (Institute of Mathematical Sciences, Faculty of Science)
  • Quality Manager
    02 Sep 2010 - 31 Dec 2012 (Institute of Mathematical Sciences, Faculty of Science)
  • Internal Auditor of UM
    01 May 2008 - 01 Dec 2012 (University Malaya)
  • Jawatankuasa Spesifikasi dan Penilaian Teknikal
    18 Nov 2011 - 01 Mar 2012 (University Malaya)
  • The Chairman of Seminar Committee of the Institute of Mathematical Sciences, Faculty of Science
    01 May 2009 - 30 Sep 2010 ()

MEMBERSHIPS

  • KEAHLIAN MAJLIS PROFESOR NEGARA, MEMBER
    Since 2022 (National)
  • PERSATUAN MATEMATIK MALAYSIA (PERSAMA), MEMBER
    Since 2009 (National)
  • KEAHLIAN SEUMUR HIDUP PERSATUAN SAINS MATEMATIK MALAYSIA (PERSAMA), MEMBER
    Since 2009 (National)
  • LINEAR AND MULTILINEAR ALGEBRA (LAMA) - REVIEWER, ARTICLE REVIEWER
    2015 to 2017 (International)
  • INTERNATIONAL LINEAR ALGEBRA SOCIETY (ILAS), MEMBER
    2000 to 2015 (International)

AWARD AND STEWARDSHIP

  • CERTIFICATE OF EXCELLENT SERVICE
    University of Malaya, 2021 (University)
  • Adjunct Associate Professor in School of Mathematical Sciences, Sunway University, Malaysia
    Sunway University, Malaysia, 2019 (National)
  • EXCELLENCE SERVICE AWARD
    University of Malaya, 2015 (University)
  • SEOUL ICM2014 NANUM 2014 Travel Grants Award
    The International Congress of Mathematician 2014, 2014 (International)
  • Ambassador of the 2014 International Congress of Mathematicians ICM2014
    The International Congress of Mathematicians 2014, 2013 (International)
  • EXCELLENCE SERVICE AWARD
    University of Malaya, 2012 (University)
  • CERTIFICATE OF EXCELLENT SERVICE
    University of Malaya, 2011 (University)
  • Sijil Perkhidmatan Cemerlang 2010
    University of Malaya, 2011 (University)

PUBLICATIONS

Article in Journal
WoS
  1. Chooi, Wai Leong; Tan, Li Yin; Tan, Yean Nee (2022). Strong commutativity preserving additive maps on rank k triangular matrices, LINEAR & MULTILINEAR ALGEBRA. . doi:10.1080/03081087.2022.2146042
  2. Chooi, W. L., Mutalib, M. H. A., & Tan, L. Y. (2021). Commuting maps on rank one triangular matrices. Linear Algebra and Its Applications, 626, 34-55. doi: 10.1016/j.laa.2021.05.014
  3. Chooi, WL; Wong, JY (2021). Commuting additive maps on tensor products of matrices, LINEAR & MULTILINEAR ALGEBRA. . doi:10.1080/03081087.2021.1920876
  4. Chooi, Wai Leong; Tan, Yean Nee (2021). A NOTE ON COMMUTING ADDITIVE MAPS ON RANK K SYMMETRIC MATRICES, ELECTRONIC JOURNAL OF LINEAR ALGEBRA. 37, 734-746
  5. Chooi, W. L., & Kwa, K. (2020). Classical adjoint commuting and determinant preserving linear maps on Kronecker products of Hermitian matrices. Linear & Multilinear Algebra, 68(5), 869-885. doi: 10.1080/03081087.2018.1519010
  6. Chooi, W. L., & Kwa, K. H. (2020). ADDITIVE MAPS ON RANK K BIVECTORS. Electronic Journal of Linear Algebra, 36, 847-856.
  7. Chooi, W. L., Kwa, K. H., & Tan, L. (2020). Commuting maps on rank k triangular matrices. Linear & Multilinear Algebra, 68(5), 1021-1030. doi: 10.1080/03081087.2018.1527281
  8. Chooi, W. L., Kwa, K. H. (2019). Additive maps of rank r tensors and symmetric tensors. Linear Multilinear Algebra, 67(6), 1269-1293. doi:10.1080/03081087.2018.1451477
  9. Chooi, W. L., Kwa, K. H., Tan, L. Y. (2019). Commuting maps on invertible triangular matrices over F-2. Linear Algebra and Its Applications, 583, 77-101. doi:10.1016/j.laa.2019.08.023
  10. Chooi, W. L., Kwa, K. H., Lim, M. H. (2017). Coherence invariant maps on tensor products. Linear Algebra and Its Applications, 516, 24-46.
  11. Chooi, Wai Leong; Kwa, Kiam Heong; Lau, Jinting (2016). A note on classical adjoint commuting linear maps of tensor products of matrices, LINEAR & MULTILINEAR ALGEBRA. 64(4), 745-766. doi:10.1080/03081087.2015.1120703
  12. Chooi, W. L., Ng, W. S. (2014). CLASSICAL ADJOINT COMMUTING MAPPINGS ON ALTERNATE MATRICES AND SKEW-HERMITIAN MATRICES, Operators and Matrices. 8(2), 485-512
  13. Chooi, W. L.; Kwa, K. H.; Lim, M. H.; Ng, Z. C. (2014). LINEAR SPACES AND PRESERVERS OF BOUNDED RANK-TWO PER-SYMMETRIC TRIANGULAR MATRICES, ELECTRONIC JOURNAL OF LINEAR ALGEBRA. 27, 619-651. doi:10.13001/1081-3810.1922
  14. Chooi, W. L., Lim, M. H., Ng, Z. C. (2013). Linear spaces and preservers of symmetric matrices of bounded rank-two, Linear Multilinear Algebra. 61(8), 1051-1062
  15. Chooi, W. L. (2011). COMPOUND-COMMUTING ADDITIVE MAPS ON MATRIX SPACES, Journal of the Korean Mathematical Society. 481(83-104), Article
  16. Chooi, W. L., Ng, W. S. (2011). Classical adjoint-commuting mappings on Hermitian and symmetric matrices, Linear Algebra and Its Applications. 4352(202-223), Article
  17. Chooi, W. L. (2010). Rank-one non-increasing additive maps between block triangular matrix algebras, Linear Multilinear Algebra. 58(6), 715-740
  18. Chooi, W. L., Ng, W. S. (2010). On classical adjoint-commuting mappings between matrix algebras, Linear Algebra and Its Applications. 432(10), 2589-2599
  19. Chooi, W. L., Lim, M. H. (2006). Additive rank-one preservers on block triangular matrix spaces, Linear Algebra and Its Applications. 416(2-3), 588-607
  20. Chooi, W. L., Lim, M. H. (2005). Additive preservers of rank-additivity on matrix spaces, Linear Algebra and Its Applications. 402, 291-302
Scopus
  1. Chooi W.L., Tan L.Y., Tan Y.N. (2023). On centralizing additive maps on rank one triangular matrices over division rings, Advances in Operator Theory. 8(4). doi:10.1007/s43036-023-00298-2
Others
  1. Chooi, W.L., Mutalib, M.H.A., Tan, L.Y. (2021). Centralizing additive maps on rank r block triangular matrices. Acta Scientiarum Mathematicarum (Szeged), 87, 63-94.
  2. Chooi, W. L., Kwa, K. H., & Tan, L. Y. (2019). Commuting maps on invertible triangular matrices over F_2. Linear Algebra and its Applications, 583, 77-101.
  3. Chooi, W.L. (2010). Rank-one nonincreasing additive maps between block triangular matrix algebras. Linear and Multilinear Algebra, 58(6), 715-740.
  4. Chooi, W.L., & Lim, M.H. Lim (2004). Additive preservers of rank-additivity on matrix spaces. Journal of Natural Science of Heilongjiang University, 21(4), 46-49.
  5. Chooi, W.L., & Lim, M.H. (2003), Some linear preserver problems on block triangular matrix algebras. Linear Algebra and its Applications, 370(1), 25-39.
  6. Chooi, W.L., Lim, M.H., & Semrl, P. (2003). Adjacency preserving maps on upper triangular matrix algebras. Linear Algebra and its Applications, 367(1), 105-130.
  7. Chooi, W. L., & Lim, M. H. (2002), Coherence invariant mappings on block triangular matrix spaces. Linear Algebra and its Applications, 346(1-3), 199-238.
  8. Chooi, W. L., & Lim, M. H. (2002), Rank-one nonincreasing mappings on triangular matrices and some related preserver problems. Linear and Multilinear Algebra, 49(4), 305-336.
  9. Chooi, W.L., & Lim, M.H. (1998), Linear preservers on triangular matrices. Linear Algebra and its Applications, 269(1-3), 241-255.
Chapter in Books
  1. W.L. Chooi (2006), Calclulus of one variable, Engineering Mathematics I, 2nd Edition, 1-220. Pearson Prentice Hall (ISBN:978-983-3655-15-1)
  2. W.L. Chooi (2006), Complex Variables, Engineering Mathematics II, 2nd Edition, 385-652, Pearson Prentice Hall (ISBN:978-983-3655-16-8).
  3. W.L. Chooi (2006), Complex numbers and elementary functions, Engineering Mathematics I, 2nd Edition, 237- 286. Pearson Prentice Hall (ISBN:978-983-3655-15-1).
Article in Proceeding
  1. W.L. Chooi and M.H. Lim (2002), Rank-one nonincreasing linear maps on block triangular matrix algebras, Proceeding of 10-th National Mathematical Sciences Symposium, 72-78, Johor Baharu, Malaysia.
  2. W.L. Chooi and M.H. Lim (1996), Product preserving linear transformations on matrix spaces, Proceeding of the 7th National Mathematical Sciences Symposium, 312- 318, Kuala Lumpur, Malaysia.
Other Publications
  1. W.L. Chooi (2009), Compound-commuting additive maps between square matrix, 5-th IMT-GT International Conference on Mathematics, Statistics and their Applications (ICMSA) 2009, June 9- 11, 2009, West Sumatera, Indonesia. - Extended Abstract
  2. W.L. Chooi (2008), Adjugate-commuting additive maps on triangular matrices over an arbitrary field, One Day Seminar in Mathematics UM 2008, July 1, 2008, Institute of Mathematical Sciences, University of Malaya. - Extended Abstract
  3. W.L. Chooi (2008), Rank-one nonincreasing additive maps between block triangular matrix algebars, 8-th International Conference on Matrix Theory and its Applications (ICMTA 2008), July 16-18, 2008, Taiyuan Normal University, China. - Extended Abstract
  4. W.L. Chooi (2007), Additive rank-one preservers on triangular matrices, Invited talk, 3rd International Mathematics and Physical Sciences Graduate Congress 2007 (MPSGC 2007), December 12-14, 2007, University of Malaya, Malaysia. - Extended Abstract
  5. W.L. Chooi and M.H. Lim (2007), Additive mappings preserving rank-additivity on block triangular matrix algebras, 3rd IMT-GT Regional Conference on Mathematics, Statistics and Applications (IMT-GT-RCMSA 2007), December 5-6, 2007, Penang, Malaysia. - Extended Abstract
  6. W.L. Chooi and M.H. Lim (2001), Coherence invariant mappings on block triangular matrices, the 9-th International Linear Algebra Society Conference, June 25-29, 2001, Institute of Advanced Studies in Mathematics, Technion-Israel Institute of Technology, Haifa, Israel. - Extended Abstract
  7. W.L. Chooi (2000), Compound-commuting linear mappings on matrices, The 7-th SIAM Conference on Applied Linear Algebra, October 23 C 26, 2000, Jane S. McKimmon Conference Center, North Carolina State University, Raleigh, North Carolina. - Extended Abstract
  8. W.L. Chooi (1999), Adjugate-commuting maps on triangular matrices, The 8-th International Linear Algebra Society Conference, July 19-22, 1999. Escola Tecnica Superior d Enginyers Industrials, ETSEIB-UPC, Barcelona, Spain. - Extended Abstract

RESEARCH INTEREST

  • Linear Preserver Problems (linear maps, additive maps, ranks, tensors, matrices)
  • Geometry of Matrices (adjacency, ranks, tensors, matrices)
  • Functional Identities (commuting maps, ranks, tensors, matrices)

RESEARCH PROJECT

National
  1. 2022 - 2024, Fundamental Research Grant Scheme (FRGS)
    Preserver Problems On Functional Identities And Grassmann Spaces ( Principal Investigator(PI))
  2. 2018 - 2021, RU Geran - Fakulti Program
    Some Presever Problems On Tensor Products Related To Functional Idendities ( Principal Investigator(PI))
  3. 2019 - 2021, Fundamental Research Grant Scheme (FRGS)
    Preserver Problems On Tensor Products Related To Quantum Information Science ( Principal Investigator(PI))
  4. 2018 - 2021, RU Operation
    Some Preserver Problems on Tensor Products related to Functional Identities ( Principal Investigator(PI))
  5. 2011 - 2014, Geran Penyelidikan Universiti Malaya (UMRG)
    Nonlinear Preserver Problems on Matrix and Tensor Spaces ( Principal Investigator(PI))
  6. 2008 - 2011, Fundamental Research Grant Scheme (FRGS)
    Additive Preserver Problems on Matrix Spaces and its Applications ( Principal Investigator(PI))
  7. 2007 - 2009, ScienceFund
    Preserver Problems on Spaces of Matrices or Operators and their Applications ( Principal Investigator(PI))
  8. 2008 - 2009, Short Term Research Fund (Vote F)(PJP)
    Operators on matrices with invariance of lie products ( Principal Investigator(PI))
  9. 2002 - 2004, IRPA (MOSTI)
    Linear preserver problems on spaces of matrices or operators ( Principal Investigator(PI))
International
  1. 2018 - 2021, Fundamental Research Grant Scheme (FRGS)
    Preserver Problems on Tensor Products related to Quantum Information Sciences ( Principal Investigator(PI))
University
  1. 2007 - 2008, Short Term Research Fund (Vote F)(PJP)
    Some Studies on Preserver Problems on Triangular Matrices ( Principal Investigator(PI))

CONSULTANCY PROJECT

  • Editor of Malaysian Journal of Science, Malaysian Journal of Science
    01 Dec 2011 - 01 Dec 2015 (National)
  • Internal Auditor, QMEC, University of Malaya
    01 Apr 2010 - 01 Apr 2012 (National)
  • Reviewer, Acta Sinica Mathematical (English Series), Springer
    01 Apr 2011 - 01 Apr 2012 (International)
  • Reviewer, Linear and Multilinear Algebra
    01 Jan 2011 - 01 Jan 2012 (International)

PAPER PRESENTED

PLENARY SPEAKER
  1. Linear Preserver Problems and their Recent Developments, The 11-th IMT-GT International Conference on Mathematics, Statistics and its Applications 2015, ICMSA2015, King Mongkut's Institute of Technology Ladkrabang (International) (23 Nov 2015 - 25 Nov 2015)
INVITED SPEAKER
  1. Some studies on the geometry of block triangular matrices, The 6-th International Workshop on Matrices and Operators (MAO2011), College of William and Mary (USA) and University of Electronic Science and Technology of China (China) (International) (08 Jul 2011 - 11 Jul 2011)
  2. Classical adjoint commuting mappings on Hermitian and symmetric matrices, The Fifth Workshop on Matrices and Operators, Shanxi Association for Science and Technology, Taiyuan University of Technology and Shanxi Normal University (International) (11 Jul 2010 - 15 Jul 2010)
  3. Additive rank-one preservers on triangular matrices, Invited Speaker, The 3rd Mathematics and Physical Sciences International Graduates Congress, University of Malaya. (International) (12 Dec 2007 - 14 Dec 2007)
  4. Additive mapping persevering rank-additivity on matrix spaces , Invited Speaker, The 6-th International Conference on Matrix Theory and its Applications 2004.  (International) (01 Jul 2004 - 04 Jul 2004)
EVENT ORGANISER
  1. A characterization of surjective classical adjoint commuting maps on matrix algebras, Seminar in Mathematical Sciences 2009, Insitute of Mathematical Sciences, University of Malaya (National) (30 Oct 2009 - 01 Nov 2009)
ORAL PRESENTER
  1. A Study of Linear Preserver Problems related to Functional Identity, Research Group Seminar Series 2021, Institute of Mathematical Sciences (University) (10 Sep 2021 - 10 Sep 2021)
  2. A note on adjoint preserving mappings on complex Hermitian and skew-Hermitian matrices, Simposium Kebangsaan Sains dan Matematik ke-19, Jabatan Sains Komputer dan Matematik, UiTM Pulau Pinang (National) (09 Nov 2011 - 11 Nov 2011)
  3. Bounded distance preserving surjective mappings on triangular matrices, International Conference on Rings and Algebas, Kent State University (USA), National Taiwan University (Taiwan) and National Cheng Kung University (Taiwan) (International) (10 Jul 2011 - 16 Jul 2011)
PRESENTER
  1. Commuting additive maps on rank one triangular matrices, ISM Virtual Research Seminar 2020, Institute of Mathematical Sciences, University of Malaya (University) (21 Sep 2020 - 23 Sep 2020)
  2. Additive maps of rank r symmetric tensors, SIRI SEMINAR KUMPULAN PENYELIDIKAN, Institute of Mathematical Sciences (University) (30 Jan 2018 - 30 Jan 2018)
  3. Additive maps of rank r tensors, Workshop on Matrix Theory and Graph Theory, Institute of Mathematical Sciences (International) (24 Jan 2017 - 24 Jan 2017)
  4. On classical ajoint commuting mapping between matrix algebras, The 16th Conference of the International Linear Algebra Society, Internatioal Linear Algebra Society, University of Pisa (International) (21 Jun 2010 - 25 Jun 2010)
  5. Rank-one preserving additive mappings on triangular matrices, International Workshop on Preserver Problems, May 5 7 2005, University of Hong Kong, Hong Kong. , University of Hong Kong (International) (05 May 2005 - 07 May 2005)
  6. Rank-one nonincreasing linear maps on block triangular matrix algebras, The 10-th National Mathematical Sciences Symposium (National) (23 Dec 2004 - 24 Dec 2004)
  7. Geometry of triangular matrices, Centro de Estruturas Lineares e Combinotorias CLEC Seminorio, Complexo Interdisciplinar, June 17 2002, University of Lisboa, Portugal. , University of Lisboa, Portugal.  (University) (17 Jun 2002 - 17 Jun 2002)
  8. Product preserving linear transformations on matrix spaces, The 7-th National Mathematical Sciences Symposium (National) (03 Dec 1996 - 05 Dec 1996)

ACADEMIC/PROF. SERVICES

Evaluation
  1. (2024) Frgs External Grant Proposal Panal Evaluator, University, (Reviewer)
  2. (2023) Internal Panel for Candidature Defence of Msc Candidate Chong Eu Meng (S2027997/1), University, (Internal Examiner)
  3. (2023) Internal Examiner for Msc Thesis Examination Malcolm Chen Hoong Wai (17113246/2) Classifying Galois Groups of Doubly Even Octic Polynomials and Other Related Power Compositional Polynomials, University, (Internal Examiner)
  4. (2023) Mygrant External Grant Frgs Research Proposal Reviewer from Utar, National, (Reviewer)
  5. (2023) Reviewer of Mathematical Research Article in International Journal Lama, International, (Reviewer)
  6. (2022) Panel to Evaluate Candidate Deference for Msc Program: "Galois Groups and Solutions of Certain Solvable Polynomials", University, (Internal Examiner)
  7. (2022) Panel to Evaluate Proposal Defence for Msc Program "Galois Groups and Solutions of Certain Solvable Polynomials", University, (Reviewer)
  8. (2021) External Examiner for Mphil Thesis of The Hong Kong Polytechnic University, Hong Kong, International, (External Examiner)
  9. (2021) The 28th National Symposium On Mathematical Sciences (Sksm28), National, (Reviewer)
  10. (2021) Linear Preservers of Matrices Over a Class of Semirings, International, (Reviewer)
  11. (2020) Review research article/manuscript submitted to Linear and Multilinear Algebra (International Mathematical Journal) - International Level , (Reviewer)
  12. (2020) Review research article/manuscript submitted to Advances of Operator Theory (International Mathematical Journal) - International Level , (Reviewer)
  13. (2019) Penal Penilai Skim Geran Penyelidikan Fundamental (FRGS) Fasa 1/2019 , (Assessor)
  14. (2019) Auditor Dalaman bagi Audit Kendiri Fakulti Sains 2019 , (UM Fakulti Sains Internal Auditor)
  15. (2018) As a review panel to review the proceeding papers submitted to the 4th ISM International Statistical Conference 2018 (ISM-IV) for the consideration of publication., (Reviewer)
  16. (2006) As a scholar in linear and multilinear algebra, we are invited to review manuscripts (related to linear algebra and matrix theory) submitted to Malaysian Journal of Science for publication. , (Reviewer)
  17. (2001) As a scholar in linear and multilinear algebra, we will be invited to review manuscript submitted to Linear Multilinear Algebra for a possible publication. , (Reviewer)
  18. (2000) As a scholar in linear and multilinear algebra, we will be invited to review manuscript submitted to Linear Algebra and its Applications for a possible publication. , (Reviewer)
Contribution to event
  1. (2021) Mentor/Speaker for E-Clinic Program On How to Write Thesis Introduction, Bibliography and Literature Review, University, (Event Coordinator)

SUPERVISION

Postgraduate Student
PhD/ Doctoral
  1. (2023) ADJACENCY PRESERVING MAPS ON CLASSICAL SPACES OF TENSORS, LAU JIN TING
  2. (2023) SOME ADDITIVE MAPS ON SYMMETRIC MATRICES OVER FIELDS, TAN YEAN NEE
  3. (2022) Commuting Additive Maps and Some Related Maps on Triangular Matrices, TAN LI YIN
  4. (2020) SOME PRESERVER PROBLEMS ON GRASSMANNIANS, Lau Jin Ting
  5. (2018) SOME ADDITIVE PRESERVERS ON MATRIX SPACES, TAN YEAN NEE
  6. (2017) COMMUTING AND SOME RELATED ADDITIVE MAPS ON UPPER TRIANGULAR MATRICES, TAN LI YIN
  7. (2008) GENERALISED CLASSICAL ADJOINT-COMMUTING MAPPINGS ON MATRIX SPACES, NG WEI SHEAN
Master
  1. (2023) STRONG COMMUTATIVITY PRESERVING ADDITIVE MAPS ON TENSOR PRODUCTS OF MATRICES, CHUA CHIN YIE
  2. (2020) COMMUTING ADDITIVE MAPS ON TENSOR PRODUCTS OF MATRIX ALGEBRAS, WONG JIAN YONG
  3. (2020) CENTRALIZING ADDITIVE MAPS ON RANK R BLOCK TRIANGULAR MATRICES, MUHAMMAD HAZIM BIN ABDUL MUTALIB
  4. (2018) COMMUTING ADDITIVE MAPS ON TENSOR PRODUCTS OF MATRIX ALGEBRAS, WONG JIAN YONG
  5. (2018) CENTRALIZING ADDITIVE MAPS ON RANK R BLOCK TRIANGULAR MATRICES, MUHAMMAD HAZIM BIN ABDUL MUTALIB
  6. (2014) Some Linear Preserver Problems on Tensor Products of Matrices, LAU JIN TING
  7. (2011) LINEAR SPACES AND PRESERVERS OF PERSYMMETRIC TRIANGULAR MATRICES OF BOUNDED RANK-TWO, NG ZHEN CHUAN
Under Graduate Students
  1. (2023) Industrial Training, UMU KALTHUM BT ABD LATIP, YEOW ZHONG HONG
  2. (2022) RANK ONE LINEAR PRESERVERS OF TENSOR PRODUCTS
  3. (2022) ADJACENCY PRESERVING MAPS OF TENSOR PRODUCTS
  4. (2022) Industrial Training, Nur Sarah binti Mohd Sukri
  5. (2021) A Study of Jordan Canonical Forms of Linear Operators
  6. (2021) A study of additive maps on real invertible matrices
  7. (2019) A Study of Functional Identities on Matrices
  8. (2017) STUDIES ON POSITIVE SEMIDEFINITE MATRICES
  9. (2016) Some Classes of Linear Operators on Inner Product Spaces

TEACHING

Bachelor
  1. (2023) SIM2006 - Complex Variables
  2. (2023) SIM2002 - Linear Algebra
  3. (2022) SIM3004 - Advanced Linear Algebra
  4. (2022) SIM2002 - Linear Algebra
  5. (2022) SIM3005 - Matrix Theory
  6. (2021) SIM2002 - Linear Algebra
  7. (2021) SIM3005 - Matrix Theory
  8. (2021) SIM2002 - Linear Algebra
  9. (2021) SIM3005 - Matrix Theory
  10. (2020) SIM3004 - Advanced Linear Algebra
  11. (2020) SIM2002 - Linear Algebra
  12. (2020) SIM2002 - Linear Algebra
  13. (2020) SIM3004 - Advanced Linear Algebra
  14. (2020) SIM3004 - Advanced Linear Algebra
  15. (2019) SIM2002 - Linear Algebra
  16. (2019) SIM2006 - Complex Variables
  17. (2019) SIM3005 - Matrix Theory
  18. (2019) SJEM3415 - Matrix Theory
  19. (2018) SIM2002 - Linear Algebra
  20. (2018) SIM3005 - Matrix Theory
  21. (2018) SJEM2215 - Complex Variables

SOCIAL RESPONSIBILITY ACTIVITIES

  • Committee Members of Universiti Malaya Competition for Young Mathematicians (Umcym) for Years 2016, 2017, 2018 and 2019, (01 May 2016 - 17 Aug 2019) (National)
  • Penganjur Sesi Mini Simposium Pada Simposium Kebangsaan Sains Metematik Ke-22 Di Hotel Grand Bluewave, Shah Alam, Selangor Malaysia, 24-26 November 2014., (24 Nov 2014 - 26 Nov 2014)
  • Ambassador of The 2014 International Congress of Mathematicians (Icm2014) and Its Invitition Program Nanum2014, (01 Jan 2013 - 01 Aug 2014)