A survey of binary covering arrays

Jim Lawrence, Raghu N. Kacker, Yu Lei, D. Richard Kuhn, Michael Forbes

Research output: Contribution to journalArticlepeer-review


Binary covering arrays of strength t are 0-1 matrices having the property that for each t columns and each of the possible 2t sequences of t 0's and 1's, there exists a row having that sequence in that set of t columns. Covering arrays are an important tool in certain applications, for example, in software testing. In these applications, the number of columns of the matrix is dictated by the application, and it is desirable to have a covering array with a small number of rows. Here we survey some of what is known about the existence of binary covering arrays and methods of producing them, including both explicit constructions and search techniques.

Original languageEnglish (US)
JournalElectronic Journal of Combinatorics
Issue number1
StatePublished - 2011
Externally publishedYes

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Geometry and Topology
  • Discrete Mathematics and Combinatorics
  • Computational Theory and Mathematics
  • Applied Mathematics


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