Harmonic functions with finite p-energy on lamplighter graphs are constant

Antoine Gournay

Comptes Rendus. Mathématique, Volume 354 (2016) no. 8 p. 762-765

A remark on the connectedness of spheres in Cayley graphs

Antoine Gournay

Comptes Rendus. Mathématique, Volume 352 (2014) no. 7 p. 573-576