Publications

C.L. Lee and K.B. Wong, "A note on the broken stick problem", Discovering Mathematics, 25 (1), (2003) 20-24. 

P.C. Wong and K.B. Wong, "The residual finiteness of certain HNN extensions", Bulletin of the Korean Mathematical Society, 42 (2005) 553-559.

P.C. Wong and K.B. Wong, "On residual properties of Nilpotent groups", Malaysian Journal of Science, 24 (2), (2005) 133-138.

P.C. Wong and K.B. Wong, "The game of Congkak in Mathematics and Computer Science Education", Conversations in Mathematics, University of Malaya Press (2006) 67-71.

P.C. Wong and K.B. Wong, "The cyclic subgroup separability of certain HNN extensions", Bulletin of the Malaysian Mathematical Sciences Society, 29 (1) (2006) 111-117.

P.C. Wong and K.B. Wong, "Polygonal products of residually finite groups", Bulletin of the Korean Mathematical Society, 44 (1) (2007) 61-71.

P.C. Wong and K.B. Wong, "Residual finiteness of outer automorphism groups of certain tree products", Journal of Group Theory, 10 (3) (2007) 389-400.

P.C. Wong and K.B. Wong, "Subgroup separability and conjugacy separability of certain HNN extensions", Bulletin of the Malaysian Mathematical Sciences Society, 31 (1) (2008) 25-33.

C.Y. Ku and K.B. Wong, "Maximum multiplicity of a root of the matching polynomial of a tree and minimum path cover", Electronic Journal of Combinatorics, 16 (2009), #R81.

K.B. Wong and P.C. Wong, "On separability properties of Nilpotent groups", Malaysian Journal of Science, 28 (3), (2009) 339-341.

P.H. Kropholler, S.J. Pride, W.A.M. Othman, K.B. Wong and P.C. Wong, "Properties of certain semigroups and their potential as platforms for cryptosystems", Semigroup Forum, 81 (1), (2010) 172-186.

C.Y. Ku and K.B. Wong, "Extensions of barrier sets to nonzero roots of the matching polynomial", Discrete Mathematics, 310 (24), (2010) 3544-3550.

C.Y. Ku and K.B. Wong, "The group marriage problem", Journal of Combinatorial Theory, Series A, 118 (2011) 672-680.

C.Y. Ku and K.B. Wong, "Maximum multiplicity of matching polynomial roots and minimum path cover in general graphs", Electronic Journal of Combinatorics, 18 (1), (2011), #P38.

K.B. Wong and P.C. Wong, "Conjugacy separability and outer automorphism groups of certain HNN extensions", Journal of Algebra, 334 (2011) 74-83.

C.L. Lee and K.B. Wong, "On Chebyshev’s polynomials and certain combinatorial identities", Bulletin of the Malaysian Mathematical Sciences Society, 34 (2) (2011) 279-286.

C.Y. Ku and K.B. Wong, "Generalized D-graphs for Nonzero Roots of the Matching Polynomial", Discrete Mathematics, 311 (2011) 2174-2186.

K.B. Wong and P.C. Wong, "On finite complete rewriting systems and large subsemigroups", Journal of Algebra, 345 (2011) 242-256.

C.S. Lim and K.B. Wong, "A view of top graded local cohomology modules via linear diophantine equations", Far East Journal of Mathematical Sciences, 56 (2011) 67-74.

M.H. Ngu, K.B. Wong and P.C. Wong, "Basic subgroup and Reid’s theorem", Science China Mathematics, 54 (2011) 2249-2251.

C.Y. Ku and K.B. Wong, "Properties of $\theta$-super positive graphs", Electronic Journal of Combinatorics, 19 (2012), #P37.

S.G. Quek, K.B. Wong, and P.C. Wong, "On Engel elements of a group relative to certain subgroup", Communications in Algebra, 40 (2012) 4693-4701.

K.B. Wong and P.C. Wong, "Residual finiteness, subgroup separability and conjugacy separability of certain HNN extensions", Mathematica Slovaca, 62 (2012) 875-884.

C.Y. Ku and K.B. Wong, "On cross-intersecting families of set partitions", Electronic Journal of Combinatorics, 19 (4) (2012), #P49.

S.G. Quek, K.B. Wong and P.C. Wong, "On left Engel elements of a group relative to a subgroup of certain linear groups", Journal of Pure and Applied Algebra, 217 (2013) 427-431.

C.Y. Ku and K.B. Wong, "On 2-factor Hamiltonian regular Bipartite graphs", Acta Mathematica Hungarica, 138 (1-2), (2013) 173-178.

S.G. Quek, K.B. Wong and P.C. Wong, "On certain pairs of non-Engel elements in finite groups", Journal of Algebra and Its Applications, 12 (2013) #1250213.

C.Y. Ku and K.B. Wong, "Solving the Ku-Wales conjecture on the eigenvalues of the derangement graph", European Journal of Combinatorics, 34 (2013) 941-956.

C.Y. Ku and K.B. Wong, "On r-cross intersecting families of sets", Far East Journal of Mathematical Sciences, 75 (2013) 295-300.

C.Y. Ku and K.B. Wong, "An analogue of the Hilton-Milner theorem for set partitions", Journal of Combinatorial Theory, Series A, 120 (2013) 1508-1520.

C.Y. Ku and K.B. Wong, "Generalizing Tutte's theorem and maximal non-matchable graphs", Discrete Mathematics, 313 (2013) 2162-2167.

C.Y. Ku and K.B. Wong, "A Kruskal-Katona type theorem for integer partitions", Discrete Mathematics, 313 (2013) 2239-2246.

C.Y. Ku and K.B. Wong, "An analogue of the Erdős-Ko-Rado theorem for weak compositions", Discrete Mathematics, 313 (2013) 2463-2468.

K.B. Wong and P.C. Wong, "Cyclic subgroup separability of certain graph products of subgroup separable groups", Bulletin of the Korean Mathematical Society, 50 (2013) 1753-1763.

K.B. Wong, "On 2min-sets and 2minmax-sets with respect to certain cycles", Periodica Mathematica Hungarica, 67 (2013) 133-142.

C.Y. Ku and K.B. Wong, "Gallai-Edmonds structure theorem for weighted matching polynomial", Linear Algebra and its Applications, 439 (2013) 3387-3411.

B.F. Chen, E. Ghorbani and K.B. Wong, "Cyclic decomposition of k-permutations and eigenvalues of the arrangement graphs", Electronic Journal of Combinatorics , 20 (4) (2013), #P22.

B.F. Chen, E. Ghorbani and K.B. Wong, "On the eigenvalues of certain Cayley graphs and arrangement graphs", Linear Algebra and its Applications, 444 (2014) 246-253.

S.G. Quek, K.B. Wong and P.C. Wong, "On n-Engel pair satisfying certain conditions", Journal of Algebra and Its Applications, 13 (2014), #1350135.

C.Y. Ku and K.B. Wong, "On r-regular subgraphs with Hamiltonian cycles in graphs with many edges", Far East Journal of Mathematical Sciences, 86 (2014) 221-232.

K.B. Wong and P.C. Wong, "The weakly potency of certain HNN extensions of Nilpotent groups", Algebra Colloquium, 21 (2014) 689-696.

C.Y. Ku and K.B. Wong, "An Erdős-Ko-Rado theorem for permutations with fixed number of cycles", Electronic Journal of Combinatorics, 21 (3) (2014), #P3.16.

C.Y. Ku, T. Lau and K.B. Wong, "Cayley graph on symmetric group generated by elements fixing k points", Linear Algebra and its Applications, 471 (2015) 405-426.

C.Y. Ku and K.B. Wong, "On r-cross t-intersecting families for weak compositions", Discrete Mathematics, 338 (2015) 1090-1095.

C.Y. Ku and K.B. Wong, "A Deza-Frankl type theorem for set partitions", Electronic Journal of Combinatorics, 22(1) (2015), #P1.84.

C.Y. Ku and K.B. Wong, "A generalization of very odd sequences", Electronic Journal of Combinatorics, 22(2) (2015), #P2.12.

C.Y. Ku and K.B. Wong, "An analogue of the Hilton-Milner theorem for weak compositions", Bulletin of the Korean Mathematical Society, 52 (2015) 1007-1025.

S.G. Quek, K.B. Wong and P.C. Wong, "On the existence of Engel pairs in certain linear groups", Journal of Algebra and Its Applications, 15 (2016), #1650062.

C.Y. Ku and K.B. Wong, "A non-trivial intersection theorem for permutations with fixed number of cycles", Discrete Mathematics, 339 (2016) 646-657.

C.Y. Ku, T. Lau and K.B. Wong, "The smallest eigenvalues of the 1-point fixing graph", Linear Algebra and its Applications, 493 (2016) 433-446.

S.J. Pride, A. Vernitski, K.B. Wong and P.C. Wong, "Conjugacy and Other Properties of One-Relator Groups", Communications in Algebra, 44 (2016) 1588-1598.

K.B. Wong and P.C. Wong, "Conjugacy separability of certain HNN extensions with normal associated subgroups", International Journal of Group Theory, 5 (2016) 1-16.

C.Y. Ku, T. Lau and K.B. Wong, "Largest independent sets of certain regular subgraphs of the derangement graph", Journal of Algebraic Combinatorics, 44 (2016) 81-98.

C.Y. Ku, T. Lau and K.B. Wong, "On the partition associated to the smallest eigenvalues of the k-point fixing graph", European Journal of Combinatorics, 63 (2017) 70-94.

K.A. Sim, T.S. Tan and K.B. Wong, "Lazy cops and robbers on generalized hypercubes", Discrete Mathematics, 340 (2017) 1693-1704.

C.Y. Ku and K.B. Wong, "An Erdős-Ko-Rado theorem For Minimal Covers", Bulletin of the Korean Mathematical Society, 54 (2017) 875-894.

C.Y. Ku, T. Lau and K.B. Wong, "The spectrum of eigenvalues for certain subgraphs of the $k$-point fixing graph", Linear Algebra and its Applications, 543 (2018) 72-91.

C.Y. Ku and K.B. Wong, "On No-Three-In-Line Problem on m-Dimensional Torus", Graphs and Combinatorics, 34 (2018) 355-364. 

K.A. Sim, T.S. Tan and K.B. Wong, "On the burning number of generalized Petersen graphs", Bulletin of the Malaysian Mathematical Sciences Society, 41 (2018) 1657-1670.

C.Y. Ku, and K.B. Wong, "Eigenvalues of the matching derangement graph", Journal of Algebraic Combinatorics, 48 (2018) 627-646.

K.A. Sim, T.S. Tan and K.B. Wong, "On the minimum order of 4-lazy cops-win graphs", Bulletin of the Korean Mathematical Society, 55 (2018) 1667-1690.

C.Y. Ku and K.B. Wong, "On Cross Parsons Numbers", Graphs and Combinatorics, 35 (2019) 287-301.

M.S.M. Asri, K.B. Wong and P.C. Wong, "Criterion for the weak potency of certain HNN extensions", Mathematica Slovaca, 69 (2019) 381-390.

M.F.M. Nasir, W.A.M. Othman and K.B. Wong, "Labelled Natural Deduction for Public Announcement Logic with Common Knowledge", Mathematics 8 (2020) 626.

C.Y. Ku and K.B. Wong, "On the Number of Nonnegative Sums for Certain Function", Bulletin of the Malaysian Mathematical Sciences Society, 43 (2020) 15-24.

H.M. Lim, K.B. Wong and P.C. Wong, "Cyclic conjugacy separability and conjugacy separability of certain HNN extensions",Communications in Algebra, 48 (2020)  3573-3589.

C.Y. Ku and K.B. Wong, "Erdős-Ko-Rado theorems for set partitions with certain block size", Journal of Combinatorial Theory, Series A, 172 (2020) 105180.

C.Y. Ku and K.B. Wong, "On diversity of certain $t$-intersecting families", Bulletin of the Korean Mathematical Society, 57 (2020) 815-829.

M.S.M. Asri, K.B. Wong and P.C. Wong, "Fundamental Groups of Graphs of Cyclic Subgroup Separable and Weakly Potent Groups", Algebra Colloquium, 28 (2021) 119-130.

Z.Y. Chng, T.S. Tan and K.B. Wong, "On the Ramsey numbers for the tree graphs versus certain generalised wheel graphs", Discrete Mathematics, 344 (2021) 112440.

A.Y.M. Chin, K.L. Wang and K.B. Wong, "Complete decompositions of Abelian groups", Communications in Algebra, 49 (2021)  2829-2836.

T. Lau and K.B. Wong, "On the partitions associated with the smallest eigenvalues of certain Cayley graphs on symmetric group generated by cycles", Linear Algebra and its Applications, 630 (2021) 179-203.

K.A. Sim and K.B. Wong, "Magic square and arrangement of consecutive integers that avoids $k$-term arithmetic progressions", Mathematics, 9 (2021) 2259. 

K.A. Sim, T.S. Tan and K.B. Wong, “A note on the mixed Van Der Waerden number”, Bulletin of the Korean Mathematical Society, 58 (2021) 1341-1354. 

C.Y. Ku and K.B. Wong, "On the Number of Nonnegative Sums for Semi-partitions", Graphs and Combinatorics, 37 (2021) 2803-2823. 

K.A. Sim and K.B. Wong, "Minimum Number of Colours to Avoid $k$-Term Monochromatic Arithmetic Progressions", Mathematics, 10 (2022) 247. 

K.A. Sim and K.B. Wong, "On Certain Sum Involving Quadratic Residue", Mathematics, 10 (2022) 1981. 

Y.W. Lok, S.S. Supadi and K.B. Wong, "EOQ Models for Imperfect Items under Time Varying Demand Rate", Processes, 10 (2022) 1220.

K.A. Sim, T.S. Tan and K.B. Wong, "Lazy Cops and Robber on Certain Cayley Graph", Malaysian Journal of Fundamental and Applied Sciences, 18 (2022) 148-156. 

A.Y.M. Chin, K.L. Wang and K.B. Wong, "On the size of complete decompositions of finite cyclic groups", Communications in Algebra, 50 (2022) 4145-4154.

T. Lau and K.B. Wong, "The Spectrum of Cayley Graphs on Symmetric Group Generated by Certain Subset of -Cycles", Bulletin of the Iranian Mathematical Society, 48 (2022), 2981-2993. 

Z.K.S. Koh, C.Y. Ku and K.B. Wong, "Alternating sign property of the perfect matching derangement graph", Journal of Combinatorial Theory, Series A, 194 (2023) 105706.

S.S. Aiadi, W.A.M. Othman, K.B. Wong, N. Mlaiki, "Fixed point theorems in controlled $J$−metric spaces", AIMS Mathematics, 8 (2023) 4753-4763. 

D. Santina, W.A.M. Othman, K.B. Wong and N. Mlaiki, "New Generalization of Metric-Type Spaces−Strong Controlled", Symmetry, 15 (2023) 416. 

K.A. Sim, W.M.A. Wan Ruzali, K.B. Wong and C.K. Ho, "On Monochromatic Clean Condition on Certain Finite Rings", Mathematics, 11 (2023) 1107. 

A.Y.M. Chin, K.L. Wang and K.B. Wong, "Complete factorizations of finite abelian groups", Journal of Algebra, 628 (2023) 509-523.

M.S.M. Asri, W.A.M. Othman and K.B. Wong, "Rewriting system of certain semigroups with three generators", Applicable Algebra in Engineering, Communication and Computing, 34 (2023) 469-487. 

N.A.S. Amir, W.A.M. Othman and K.B. Wong, "Efficient Privacy Preserving Anonymous Authentication Announcement Protocol for Secure Vehicular Cloud Network", KSII Transactions on Internet and Information Systems, 17 (2023) 1450-1470.

S.S. Aiadi, W.A.M. Othman, K.B. Wong and N. Mlaiki, "A New Extension of $C_J$ Metric Spaces-Partially Controlled $J$ Metric Spaces", Mathematics, 11 (2023) 2973. 

Y.W. Lok, S.S. Supadi and K.B. Wong, "Optimal investment in preservation technology for non-instantaneous deteriorating items under carbon emissions consideration", Computers & Industrial Engineering, 183 (2023) 109446. 

S. Ali, A.S. Alali, P. Sharma, K.B. Wong, E.S. Öztas and M. Jeelani "On Optimal and Quantum Code Construction from Cyclic Codes over $F_pPQ$ with applications", Entropy, 25 (2023) 1161.

N.A.S. Amir, W.A.M. Othman and K.B. Wong, "Securing an Authenticated Privacy Preserving Protocol in a Group Signature Scheme Based on a Group Ring", Mathematics, 11 (2023) 3918. 

 M.S.M. Asri, W.A.M. Othman, K.B. Wong and P.C. Wong, "Weak Potency and Cyclic Subgroup Separability of certain Free Products and Tree Products", Bulletin of the Korean Mathematical Society, 60 (2023) 1375-1390.

S. Ali, A.S. Alali, K.B. Wong, E.S. Oztas and P. Sharma, "Cyclic codes over non-chain ring $R(\alpha_1,\alpha_2,\dots,\alpha_s)$ and their applications to quantum and DNA codes",  AIMS Mathematics, 9 (2024) 7396-7413. 

Z.Y. Chng, T. Britz, T.S. Tan and K.B. Wong, "The Ramsey Numbers for Trees of Large Maximum Degree Versus the Wheel Graph W8 ", Bulletin of the Malaysian Mathematical Sciences Society, 43 (2024) 134.

C.Y. Ku and K.B. Wong, "On stabilizing index and cyclic index of certain amalgamated uniform hypergraphs", Linear Algebra and its Applications, 703 (2024) 109-136.  

S. Ali, A.Y. Hummdi, N.N. Rafiquee, V. Varshney and K.B. Wong, "Symmetric Reverse n-Derivations on Ideals of Semiprime Rings", Axioms, 13 (2024) 717. 

D. Santina, W.A.M. Othman, K.B. Wong and N. Mlaiki, "Exploring strong controlled partial metric type spaces: Analysis of fixed points and theoretical contributions", Heliyon, 10 (2024) e39525. 

S. Ali, A.S. Alali, A.A. Khan, I.E. Wijayanti and K.B. Wong, "XOR count and block circulant MDS matrices over finite commutative rings", AIMS Mathematics, 9 (2024) 30529-30547. 

A. Al-shboul, K. Alhazaymeh, K.L. Wang and K.B. Wong, "Fermatean Vague Soft Set and Its Application in Decision Making", Mathematics, 12 (2024) 3699.

K.A. Sim and K.B. Wong, "On the cooling number of the generalized Petersen graphs", AIMS Mathematics, 9 (2024) 36351-36370.

N.A. Suzelan Amir, F.N Abd Latiff, K.B. Wong and W.A. Mior Othman,  "A secure healthcare data transmission based on synchronization of fractional order chaotic systems", PeerJ Computer Science, 11 (2025) e2665.

C.Y. Ku and K.B. Wong, "Diversity and intersecting theorems for weak compositions", Discrete Mathematics, 348 (2025) 114250.

T. Britz, Z.Y. Chng and K.B. Wong, "The Ramsey numbers for certain large trees of order n with maximum degree at most n-6 versus the wheel of order nine", Discrete Mathematics, 348 (2025) 114461.

E.M. Chong and K.B. Wong, "The normal covering of some symmetric groups of even degree", Communications in Algebra, 53 (2025) 2358-2367.

L. Dong, K.L. Wang and K.B. Wong, "Graphical Approach: 2-Complete Decompositions of Groups", Symmetry, 17 (2025) 883.

J. D'orville, K.A. Sim, K.B. Wong and C.K. Ho, "Modular generalisations of weak Schur numbers", The Ramanujan Journal, 67 (2025) 84.

A. Wasey, W.A. Mior Othman, E. Alshaban, K.B. Wong, and A. Alatawi, "Proinov-type relational contractions and applications to boundary value problems", AIMS Mathematics, 10 (2025) 13393–13408.

N. Althuniyan, A. Al-shboul, S. Aljohani, K.L. Wang, K.B. Wong, K. Alhazaymeh, and S.S. Aiady, "Decision-Making with Fermatean Neutrosophic Vague Soft Sets Using a Technique for Order of Preference by Similarity to Ideal Solution", Axioms, 14 (2025) 381.