Palindromic Subsequence Automata and Longest Common Palindromic Subsequence
Mathematics in Computer Science(2017)
摘要
In this paper, we present a novel weighted finite automaton called palindromic subsequence automaton (PSA) that is a compact representation of all the palindromic subsequences of a string. Then we use PSA to solve the longest common palindromic subsequence problem. Our automata based algorithms are efficient both in theory and in practice.
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关键词
Finite automata, Palindromes, Palindromic subsequences, Algorithms, 68Q45, 68W32
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