Molecular solution to the optimal linear arrangement problem based on DNA computation |
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Authors: | Xingchang Liu Xiaofan Yang Yuan Yan Tang |
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Institution: | (1) College of Computer Science, Chongqing University, Chongqing, 400044, China;(2) Department of Logistical, Information Engineering, Logistical Engineering University, Chongqing, 400016, China |
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Abstract: | Due to massive parallelism, enormous memory storage and very low energy consumption, biomolecular operations have been suggested
to solve various NP-hard problems that are beyond the capability of the fastest known digital computer. The optimal linear
arrangement (OLA) problem is a well-known NP-hard combinatorial optimization problem. Based on a DNA computational model,
this paper describes a novel algorithm for the OLA problem, which is executed in O(n
3log2
n) DNA operations on tubes of (nK + n + m + L + 1)-bits DNA strands, where and . With the advance in molecular biology techniques, this algorithm may be of practical utility. |
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Keywords: | DNA computation DNA algorithm Adleman-Lipton-sticker model Optimal linear arrangement problem NP-hardness |
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