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作者机构:St Marys Univ Dept Math & Comp Sci Halifax NS B3H 3C3 Canada
出 版 物:《NATURAL COMPUTING》 (自然计算)
年 卷 期:2013年第12卷第2期
页 面:211-222页
核心收录:
学科分类:08[工学] 0812[工学-计算机科学与技术(可授工学、理学学位)]
主 题:Algorithm Automaton Code DNA encodings Maximal Regular language Subword closure
摘 要:Motivated by certain coding techniques for reliable DNA computing, we consider the problem of characterizing nontrivial languages D that are maximal with the property that D (*) is contained in the subword closure of a given set S of words of some fixed length k. This closure is simply the set of all words whose subwords of length k must be in S. We provide a deep structural characterization of these languages D, which leads to polynomial time algorithms for computing such languages.