The Parameterized Complexity of p-Center Approximate Substring Problems

  title={The Parameterized Complexity of p-Center Approximate Substring Problems},
  author={Patricia A. Evans and A. David Smith and Harold Todd Wareham},
Problems associated with nding strings that are within a speci ed Hamming distance of a given set of strings occur in several disciplines. All of the problems investigated are NP -hard and have varying levels of approximability. In this paper, we use techniques from parameterized computational complexity to assess non-polynomial time algorithmic options for three of these problems, namely p-exact substring (pes), approximate substring (1as), and p-approximate substring (pas). These problems… CONTINUE READING


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