2024/11/21 by Javier-Nol, Nahid, Rubio-Montiel, Christian, Torres-Ramos, Ingrid
#05C15 #05C20 #Combinatorics (math.CO) #FOS: Mathematics
paper · doi:10.48550/arxiv.2411.14248
We study an extension to directed graphs of the parameter called the b-chromatic number of a graph in terms of acyclic vertex colorings: the dib-chromatic number. We give general bounds for this parameter. We also show some results about tournaments and regular digraphs.