English

Common Permutation Problem

Computational Complexity 2008-04-01 v1

Abstract

In this paper we show that the following problem is NP-complete: Given an alphabet Σ\Sigma and two strings over Σ\Sigma, the question is whether there exists a permutation of Σ\Sigma which is a subsequence of both of the given strings.

Keywords

Cite

@article{arxiv.0803.4261,
  title  = {Common Permutation Problem},
  author = {Marián Dvorský},
  journal= {arXiv preprint arXiv:0803.4261},
  year   = {2008}
}
R2 v1 2026-06-21T10:25:40.376Z