Graphs and Combinatorics

, Volume 3, Issue 1, pp 145–158 | Cite as

Large independent sets in shift-invariant graphs

Solution of Bergelson's problem
  • Igor Kříž


We construct shift-invariant graphs with chromatic number ∞ and independent sets of density close to 1/2.


Chromatic Number 
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    Szemerédi, E.: On sets of integers containing nok elements in arithmetic progression. Acta Arith.27, 199–245 (1975)Google Scholar

Copyright information

© Springer-Verlag 1987

Authors and Affiliations

  • Igor Kříž
    • 1
  1. 1.Praha 4Czechoslovakia

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