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math.GR2020★ 11 cited
On spectra and spectral measures of Schreier and Cayley graphs
Rostislav Grigorchuk, Tatiana Nagnibeda, Aitor Pérez
We are interested in various aspects of spectral rigidity of Cayley and Schreier graphs of finitely generated groups. For each pair of integers and , we consider…
math.GR2020★ 5 cited
Schreier graphs of spinal groups
Tatiana Nagnibeda, Aitor Pérez
We study Schreier dynamical systems associated with a vast family of groups that hosts many known examples of groups of intermediate growth. We are interested in the orbital graphs…