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- Lusheng Wang, Zimao Li
- Inf. Process. Lett.
- 2002

We study a bottleneck Steiner tree problem: given a set P = {p 1 , p 2 ,. .. , p n } of n terminals in the Euclidean plane and a positive integer k, find a Steiner tree with at most k Steiner points such that the length of the longest edges in the tree is minimized. The problem has applications in the design of wireless communication networks. We give a… (More)

- Xiaotie Deng, Guojun Li, Zimao Li, Bin Ma, Lusheng Wang
- SIAM J. Comput.
- 2003

Consider two sets of strings, B (bad genes) and G (good genes), as well as two integers d b and dg (d b ≤ dg). A frequently occurring problem in computational biology (and other fields) is to find a (distinguishing) substring s of length L that distinguishes the bad strings from good strings, i.e., such that for each string s i ∈ B there exists a length-L… (More)

- Xueliang Li, Zimao Li, Lusheng Wang
- Journal of Computational Biology
- 2003

In the original paper, Goldman et al. (2000) launched the study of the inverse problems in combinatorial chemistry, which is closely related to the design of combinatorial libraries for drug discovery. Following their ideas, we investigate four other topological indices, i.e., the sigma-index, the c-index, the Z-index, and the M(1)-index, with a special… (More)

- Xiaotie Deng, Guojun Li, Zimao Li, Bin Ma, Lusheng Wang
- ICALP
- 2002

- Zimao Li, Lusheng Wang
- 2006

—Genome rearrangement is a new and important research area that studies the gene orders and the evolution of gene families. With the development of fast sequencing techniques, large-scale DNA molecules are investigated with respect to the relative order of genes in them. Contrary to the traditional alignment approach, genome rearrangements are based on… (More)

- Jiang-qing Wang, Xiao-nian Tong, Zimao Li
- International Conference on Computational Science
- 2007

—The huge damage of denial of service attacks in security protocols attracts researchers' attention and effort to analysis, verification and prevention of denial of service attacks. In order to model resistance of denial of service attacks, firstly, we extend applied pi calculus from both adversary context and processes aspects; secondly, the first… (More)

—The secure remote Internet voting protocol play an important role in Internet voting system. The direction of development of remote Internet voting protocol is that implementation of receipt-freeness and coercion-resistance is from with strong physical assumptions to with weak physical assumptions. The final purpose is that receipt-freeness and… (More)

- Bo Meng, Wei Huang, Zimao Li, Dejun Wang
- JDCTA
- 2010

Soundness and coercion resistance are the important and intricate security requirements for remote voting protocols. Several formal models of soundness and coercion-resistance have been proposed in the literatures, but these formal models are not supported by automatic tools. Recently Backes et al. propose a new formal automated model of security properties… (More)

- Zimao Li, Wenying Xiao
- JNW
- 2014