Hirobumi Mizuno, Iwao Sato. Bartholdi Zeta Functions of Branched Coverings of Digraphs. In Hiro Ito, Mikio Kano, Naoki Katoh, Yushi Uno, editors, Computational Geometry and Graph Theory - International Conference, KyotoCGGT 2007, Kyoto, Japan, June 11-15, 2007. Revised Selected Papers. Volume 4535 of Lecture Notes in Computer Science, pages 132-143, Springer, 2007. [doi]
Abstract is missing.