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Monochromatic connected matchings in 2-edge-colored multipartite graphs

  • József Balogh
  • , Alexandr Kostochka
  • , Mikhail Lavrov
  • , Xujun Liu*
  • *Corresponding author for this work
  • University of Illinois at Urbana-Champaign
  • Moscow Institute of Physics and Technology
  • RAS - Sobolev Institute of Mathematics, Siberian Branch
  • Kennesaw State University

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

A matching (Formula presented.) in a graph (Formula presented.) is connected if all the edges of (Formula presented.) are in the same component of (Formula presented.). Following Łuczak, there have been many results using the existence of large connected matchings in cluster graphs with respect to regular partitions of large graphs to show the existence of long paths and other structures in these graphs. We prove exact Ramsey-type bounds on the sizes of monochromatic connected matchings in 2-edge-colored multipartite graphs. In addition, we prove a stability theorem for such matchings.

Original languageEnglish
Pages (from-to)578-607
Number of pages30
JournalJournal of Graph Theory
Volume100
Issue number3
DOIs
Publication statusPublished - Jul 2022

Keywords

  • Ramsey theory
  • connected matchings
  • paths

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