Ka Hin Leung

Publication Activity (10 Years)

Years Active: 1991-2024
Publications (10 Years): 14

Top Topics

Region Descriptors

Weight Assignment

Projection Matrices

Top Venues

J. Comb. Theory, Ser. A

Des. Codes Cryptogr.

Publications

Ka Hin Leung, Bernhard Schmidt, Tao Zhang
Classification of semiregular relative difference sets with $\gcd (\lambda ,n)=1$ attaining Turyn's bound. Des. Codes Cryptogr. 92 (8) (2024)
Ka Hin Leung, Shuxing Li, Songtao Mao
Nonexistence results of generalized bent functions from Z2n to Zm. J. Comb. Theory, Ser. A 198 (2023)
Ka Hin Leung, Bernhard Schmidt, Tao Zhang
On the nonexistence of semi-regular relative difference sets. J. Comb. Theory, Ser. A 193 (2023)
Ka Hin Leung, Theo Fanuela Prabowo
)-strong external difference families. J. Comb. Theory, Ser. A 187 (2022)
Ka Hin Leung, Koji Momihara, Qing Xiang
A new family of Hadamard matrices of order 4(2q2+1). Discret. Math. 344 (1) (2021)
Ka Hin Leung, Shuxing Li, Theo Fanuela Prabowo
Nonexistence of strong external difference families in abelian groups of order being product of at most three primes. J. Comb. Theory, Ser. A 178 (2021)
Ka Hin Leung, Qi Wang
New nonexistence results on (m, n)-generalized bent functions. Des. Codes Cryptogr. 88 (4) (2020)
Ka Hin Leung, Yue Zhou
No lattice tiling of Zn by Lee sphere of radius 2. J. Comb. Theory, Ser. A 171 (2020)
Ka Hin Leung, Koji Momihara
New constructions of Hadamard matrices. J. Comb. Theory, Ser. A 171 (2020)
Ka Hin Leung, Bernhard Schmidt
 ≡ 2 ( mod 4). J. Comb. Theory, Ser. A 163 (2019)
Ka Hin Leung, Qi Wang
New nonexistence results on (m, n)-generalized bent functions. CoRR (2019)
Ka Hin Leung, Yue Zhou
by Lee spheres of radius 2 for n≥3. CoRR (2018)
Ka Hin Leung, Bernhard Schmidt
Structure of group invariant weighing matrices of small weight. J. Comb. Theory, Ser. A 154 (2018)
Ka Hin Leung, Bernhard Schmidt
The anti-field-descent method. J. Comb. Theory, Ser. A 139 (2016)
Ka Hin Leung, Siu Lun Ma
Proper circulant weighing matrices of weight $$p^2$$. Des. Codes Cryptogr. 72 (3) (2014)
Ka Hin Leung, Siu Lun Ma, Bernhard Schmidt
A multiplier theorem. J. Comb. Theory, Ser. A 124 (2014)
Tao Feng, Ka Hin Leung, Qing Xiang
Binary Cyclic codes with two primitive nonzeros CoRR (2013)
Han Mao Kiah, Ka Hin Leung, San Ling
A note on cyclic codes over GR(p 2, m) of length p k. Des. Codes Cryptogr. 63 (1) (2012)
Ka Hin Leung, Bernhard Schmidt
New restrictions on possible orders of circulant Hadamard matrices. Des. Codes Cryptogr. 64 (1-2) (2012)
Ka Hin Leung, Qing Xiang
Erratum to "On the dimensions of the binary codes of a class of unitals" [Discrete Math. 309(2009) 570-575]. Discret. Math. 311 (18-19) (2011)
Ka Hin Leung, Bernhard Schmidt
Finiteness of circulant weighing matrices of fixed weight. J. Comb. Theory, Ser. A 118 (3) (2011)
Ka Hin Leung, Siu Lun Ma, Bernhard Schmidt
On Lander's conjecture for difference sets whose order is a power of 2 or 3. Des. Codes Cryptogr. 56 (1) (2010)
Ka Hin Leung, Qing Xiang
On the dimensions of the binary codes of a class of unitals. Discret. Math. 309 (3) (2009)
Ka Hin Leung, Siu Lun Ma, Bernhard Schmidt
Proper partial geometries with Singer groups and pseudogeometric partial difference sets. J. Comb. Theory, Ser. A 115 (1) (2008)
Han Mao Kiah, Ka Hin Leung, San Ling
. Finite Fields Their Appl. 14 (3) (2008)
K. T. Arasu, Ka Hin Leung, Siu Lun Ma, Ali Nabavi, Dwijendra K. Ray-Chaudhuri
. Des. Codes Cryptogr. 41 (1) (2006)
Ka Hin Leung, Siu Lun Ma, Bernhard Schmidt
obtained from Jacobi sums of order 16. J. Comb. Theory, Ser. A 113 (5) (2006)
K. T. Arasu, Ka Hin Leung, Siu Lun Ma, Ali Nabavi, Dwijendra K. Ray-Chaudhuri
Determination of all possible orders of weight 16 circulant weighing matrices. Finite Fields Their Appl. 12 (4) (2006)
Ka Hin Leung, Bernhard Schmidt
The Field Descent Method. Des. Codes Cryptogr. 36 (2) (2005)
Frank Fiedler, Ka Hin Leung, Qing Xiang
On Mathon's construction of maximal arcs in Desarguesian planes II. J. Comb. Theory, Ser. A 108 (1) (2004)
Ka Hin Leung, Siu Lun Ma, Bernhard Schmidt
Constructions of Relative Difference Sets with Classical Parameters and Circulant Weighing Matrices. J. Comb. Theory, Ser. A 99 (1) (2002)
Ka Hin Leung, San Ling, Chaoping Xing
New binary linear codes from algebraic curves. IEEE Trans. Inf. Theory 48 (1) (2002)
Ka Hin Leung, Bernhard Schmidt
Asymptotic Nonexistence of Difference Sets in Dihedral Groups. J. Comb. Theory, Ser. A 99 (2) (2002)
R. D. Baker, Gary L. Ebert, Ka Hin Leung, Qing Xiang
A Trace Conjecture and Flag-Transitive Affine Planes. J. Comb. Theory, Ser. A 95 (1) (2001)
K. T. Arasu, John F. Dillon, Ka Hin Leung, Siu Lun Ma
Cyclic Relative Difference Sets with Classical Parameters. J. Comb. Theory, Ser. A 94 (1) (2001)
Seng Kiat Chua, Ka Hin Leung, San Ling
Attack on RSA-Type Cryptosystems Based on Singular Cubic Curves over Z/nZ. Theor. Comput. Sci. 226 (1-2) (1999)
Ka Hin Leung, Siu Lun Ma
. Des. Codes Cryptogr. 8 (1-2) (1996)
Ka Hin Leung, Siu Lun Ma, Victor Tan
Abelian Divisible Difference Sets with Multiplier - 1. J. Comb. Theory, Ser. A 59 (1) (1992)
Ka Hin Leung, Siu Lun Ma, Yan Loi Wong
Difference Sets in Dihedral Groups. Des. Codes Cryptogr. 1 (4) (1991)