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A uniform solution to the independent set problem through tissue P systems with cell separation |
Xingyi ZHANG1, Xiangxiang ZENG2, Bin LUO1, Zheng ZHANG3() |
1. Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education, School of Computer Science and Technology, Anhui University, Hefei 230039, China; 2. Department of Computer Science, Xiamen University, Xiamen 361005, China; 3. Key Laboratory of Image Processing and Intelligent Control, Department of Control Science and Engineering, Huazhong University of Science and Technology,Wuhan 430074, China |
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Abstract Membrane computing is an emergent branch of natural computing, which is inspired by the structure and the functioning of living cells, as well as the organization of cells in tissues, organs, and other higher order structures. Tissue P systems are a class of the most investigated computing models in the framework of membrane computing, especially in the aspect of efficiency. To generate an exponential resource in a polynomial time, cell separation is incorporated into such systems, thus obtaining so called tissue P systems with cell separation. In this work, we exploit the computational efficiency of this model and construct a uniform family of such tissue P systems for solving the independent set problem, a well-known NP-complete problem, by which an efficient solution can be obtained in polynomial time.
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Keywords
membrane computing
tissue P system
cell separation
independent set problem
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Corresponding Author(s):
ZHANG Zheng,Email:leaf@mail.hust.edu.cn
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Issue Date: 01 August 2012
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