Fair representation by independent sets

Ron Aharoni, Noga Alon, Eli Berger, Maria Chudnovsky, Dani Kotlar, Martin Loebl, Ran Ziv

Research output: Chapter in Book/Report/Conference proceedingChapter

6 Scopus citations


For a hypergraph H let β(H) denote the minimal number of edges from H covering V(H). An edge S of H is said to represent fairly (resp. almost fairly) a partition (V1, V2, …, Vm) of for all i ≤ m. In matroids any partition of V(H) can be represented fairly by some independent set. We look for classes of hypergraphs H in which any partition of V(H) can be represented almost fairly by some edge.We show that this is true when H is the set of independent sets in a path, and conjecture that it is true when H is the set of matchings in Kn;n. We prove that partitions of E(Kn;n) into three sets can be represented almost fairly. The methods of proofs are topological.

Original languageEnglish (US)
Title of host publicationA Journey through Discrete Mathematics
Subtitle of host publicationA Tribute to Jiri Matousek
PublisherSpringer International Publishing
Number of pages28
ISBN (Electronic)9783319444796
ISBN (Print)9783319444789
StatePublished - Jan 1 2017

All Science Journal Classification (ASJC) codes

  • Computer Science(all)
  • Mathematics(all)
  • Economics, Econometrics and Finance(all)
  • Business, Management and Accounting(all)


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