Large Monochromatic Triple Stars in Edge Colourings
Large Monochromatic Triple Stars in Edge Colourings
Abstract Following problems posed by Gyárfás 2011, we show that for every r ‐edge‐colouring of there is a monochromatic triple star of order at least , improving Ruszinkó's result 2012. An edge colouring of a graph is called a local r ‐colouring if every vertex spans edges of at most …