Beyond circular-arc graphs -- recognizing lollipop graphs and medusa graphs

Deniz Ağaoğlu Çağırıcı, Onur Çağırıcı, Jan Derbisz +5

In 1992 Biró, Hujter and Tuza introduced, for every fixed connected graph $H$, the class of $H$-graphs, defined as the intersection graphs of connected subgraphs of some subdivisio…