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- Yeow Meng Chee, Zouha Cherif, +5 authors Xiande Zhang
- IEEE Transactions on Information Theory
- 2014

We introduce the class of multiply constant-weight codes to improve the reliability of certain physically unclonable function response, and extend classical coding methods to construct multiply constant-weight codes from known \(q\) -ary and constant-weight codes. We derive analogs of Johnson bounds and give constructions showing these bounds to be… (More)

- Yeow Meng Chee, Han Mao Kiah, Hui Zhang, Xiande Zhang
- IEEE Transactions on Information Theory
- 2017

Multiply constant-weight codes (MCWCs) have been recently studied to improve the reliability of certain physically unclonable function response. In this paper, we give combinatorial constructions for the MCWCs, which yield several new infinite families of optimal MCWCs. Furthermore, we demonstrate that the Johnson-type upper bounds of the MCWCs are… (More)

- Yeow Meng Chee, Fei Gao, Han Mao Kiah, Alan C. H. Ling, Hui Zhang, Xiande Zhang
- 2014 IEEE International Symposium on Information…
- 2014

We demonstrate that certain Johnson-type bounds are asymptotically exact for a variety of classes of codes, namely, constant-composition codes, nonbinary constant-weight codes and multiply constant-weight codes. This was achieved via an interesting application of the theory of decomposition of edge-colored digraphs.

- Hui Zhang, Xiande Zhang, Gennian Ge
- IEEE Transactions on Information Theory
- 2012

Constant-weight codes (CWCs) play an important role in coding theory. The problem of determining the sizes for optimal ternary CWCs with length <i>n</i>, weight 4, and minimum Hamming distance 5 ((<i>n</i>,5,4)<sub>3</sub> code) has been settled for all positive integers <i>n</i> ≤ 10 or <i>n</i> >; 10 and <i>n</i> ≡ 1 mod 3 with <i>n</i>… (More)

- Xiande Zhang, Gennian Ge
- Discrete Mathematics
- 2007

Partitionable skew Room frames of type hn have played an important role in the constructions of 4-frames, (K4 − e)-frames and super-simple (4, 2)-frames. In this paper, we investigate the existence of partitionable skew Room frames of type hn. The necessary conditions for the existence of such a design are that h(n − 1) ≡ 0 (mod 4) and h 5. It is proved… (More)

- Jean-Claude Bermond, Yeow Meng Chee, Nathann Cohen, Xiande Zhang
- SIAM J. Discrete Math.
- 2011

α-acyclicity is an important notion in database theory. The α-arboricity of a hypergraphH is the minimum number of α-acyclic hypergraphs that partition the edge set of H. The α-arboricity of the complete 3-uniform hypergraph is determined completely.

- Xiande Zhang, Gennian Ge
- Des. Codes Cryptography
- 2007

- Yeow Meng Chee, Xiande Zhang
- IEEE Transactions on Information Theory
- 2012

Frameproof codes are used to preserve the security in the context of coalition when fingerprinting digital data. Let M<sub>c,l</sub>(q) be the largest cardinality of a q-ary c-frameproof code of length l and R<sub>c,l</sub>=lim<sub>q→∞</sub> M<sub>c,l</sub>(q)/q<sup>[ l/c]</sup>. It has been determined by Blackburn that R<sub>c,l</sub>=1 when… (More)

- Xiande Zhang, Gennian Ge
- Des. Codes Cryptography
- 2010

- Xiande Zhang, Gennian Ge
- Des. Codes Cryptography
- 2013