2 papers
cs.DS2026
Moderately beyond clique-width: reduced component max-leaf and related parameters
Édouard Bonnet, Yeonsu Chang, Julien Duron +2
Reduced parameters [BKW, JCTB '26; BKRT, SODA '22] are defined via contraction sequences. Based on this framework, we introduce the reduced component max-leaf, denoted by $\operato…
math.CO2025
Unavoidable butterfly minors in digraphs of large cycle rank
Meike Hatzel, O-joung Kwon, Myounghwan Lee +1
Cycle rank is one of the depth parameters for digraphs introduced by Eggan in 1963. We show that there exists a function such that every digraph of cyc…