Helly property in finite set systems

Research output: Contribution to journalArticle

12 Citations (Scopus)


Motivated by the famous theorem of Helly on convex sets of ℝd, a finite set system F is said to have the d-dimensional Helly property if in every subsystem F′ ⊂ F whose members have an empty intersection there are at most d + 1 sets with an empty intersection again. We present several results and open problems concerning extremal properties of set systems satisfying the Helly property.

Original languageEnglish
Pages (from-to)1-14
Number of pages14
JournalJournal of Combinatorial Theory, Series A
Issue number1
Publication statusPublished - Jan 1 1993

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Discrete Mathematics and Combinatorics
  • Computational Theory and Mathematics

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