On (1,l)-coloring of incidentors of multigraphs

M. O. Golovachev, A. V. Pyatkin

Research output: Contribution to journalArticlepeer-review


It is proved that if l is at least Δ/2 − 1 then (1, l)-chromatic number of an arbitrary multigraph of maximum degree Δ is at most Δ+1. Moreover, it is proved that the incidentors of every directed prism can be colored in four colors so that every two adjacent incidentors are colored distinctly and the difference between the colors of the final and initial incidentors of each arc is 1.

Original languageEnglish
Pages (from-to)514-520
Number of pages7
JournalJournal of Applied and Industrial Mathematics
Issue number4
Publication statusPublished - 1 Oct 2017


  • (1, l)-coloring
  • incidentor coloring
  • prism

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