An extension of Stein-Lovász theorem and some of its applications

  • Authors:
  • Guang-Siang Lee

  • Affiliations:
  • Department of Applied Mathematics, National Chiao-Tung University, Hsinchu, Taiwan 30010

  • Venue:
  • Journal of Combinatorial Optimization
  • Year:
  • 2013

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Abstract

The Stein-Lovász theorem provides an algorithmic way to deal with the existence of certain good coverings, and thus offers bounds related to some combinatorial structures. An extension of the classical Stein-Lovász theorem for multiple coverings is given, followed by some applications for finding upper bounds of the sizes of (d,s out of r;z]-disjunct matrices and (k,m,c,n;z)-selectors, respectively. This gives a unified treatment for some previously known results relating to various models of group testing.