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math.CO2017
Galois coverings of Schreier graphs of groups generated by bounded automata
Asif Shaikh, Daniele D'Angeli, Hemant Bhate +1
We give a characterization of the covering Schreier graphs of groups generated by bounded automata to be Galois. We also investigate the zeta and L functions of Schreier graphs of…
math.CO2017
Horofunctions on Sierpiński type triangles
Daniele D'Angeli
We study an infinite set of graphs which are recursively constructed from an infinite word in a finite alphabet. These graphs are inspired by the construction of the Sierpiński gas…