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- Peipei Wang, Xiwang Cao, Rongquan Feng
- Finite Fields and Their Applications
- 2012

- Wentu Song, Kai Cai, Rongquan Feng
- FSKD
- 2012

—The encoding complexity for network coding with one multicast session has been intensively studied from several aspects: e.g., the time complexity, the required number of encoding links and the required field size for a linear code solution. However, these issues are less understood for the network with multiple multicast sessions. declared that polynomial… (More)

- Hongfeng Wu, Rongquan Feng
- Wuhan University Journal of Natural Sciences
- 2010

In this paper, we present the generalized Huff curves that contain Huff’s model as a special case. First, it is proved that every elliptic curve with three points of order 2 is isomorphic to a generalized Huff curve. Then, the fast and explicit formulae are derived for generalized Huff curves in projective coordinates. This paper also enumerates the number… (More)

- Xiyong Zhang, Hua Guo, Rongquan Feng, Yifa Li
- Discrete Mathematics
- 2011

Rotation symmetric Boolean functions have important applications in the design of cryptographic algorithms. We prove the conjecture about rotation symmetric Boolean functions (RSBFs) of degree 3 proposed in [1], thus the nonlinearity of such kind of functions are determined.

- Wentu Song, Xiumin Wang, Chau Yuen, Tiffany Jing Li, Rongquan Feng
- IEEE Communications Letters
- 2012

—This paper considers the problem of error correction for a cooperative data exchange (CDE) system, where some clients are compromised or failed and send false messages. Assuming each client possesses a subset of the total messages, we analyze the error correction capability when every client is allowed to broadcast only one linearly-coded message. Our… (More)

- Kai Cai, Khaled Ben Letaief, Pingyi Fan, Rongquan Feng
- ArXiv
- 2010

In this paper, we propose a subnetwork decomposition/combination approach to investigate the single rate 2-pair unicast problem. It is shown that the solvability of a 2-pair unicast problem is completely determined by four specific link subsets, namely, A1,1, A2,2, A1,2 and A2,1 of its underlying network. As a result, an efficient cut-based algorithm to… (More)

- Rongquan Feng, Lei Hu, Jin Ho Kwak
- Eur. J. Comb.
- 2008

In this paper, a characterization of authentication codes in terms of bipartite graphs is given. By using such a characterization, two necessary and sufficient conditions for a minimal authentication code with perfect secrecy are derived. The probabilities of a successful impersonation and of a successful substitution attack are discussed. As a result, some… (More)

- Rongquan Feng, Jin Ho Kwak, Juyoung Kim, Jaeun Lee
- SIAM J. Discrete Math.
- 1998

- Rongquan Feng, Jin Ho Kwak
- Discrete Mathematics
- 2004

Several isomorphism classes of graph coverings of a graph G have been enumerated by many authors. Kwak and Lee (Canad. J. Math. XLII (1990) 747) enumerated the isomorphism classes of graph bundles and those of n-fold coverings with respect to a group of automorphisms of the base graph G which ÿx a spanning tree. Hofmeister (Discrete Math. 98 (1991) 175)… (More)

- Haiying Liu, Keqin Feng, Rongquan Feng
- ArXiv
- 2015

Several nonexistence results on generalized bent functions f : Z n 2 → Z m presented by using some knowledge on cyclotomic number fields and their imaginary quadratic subfields. Keywords generalized bent function · imaginary quadratic field · cyclotomic field · class number · decomposition field