R. Grigorchuk

most citedJoint spectrum and infinite dihedral group

2 citations · 2 across the 2 of their papers we have counts for

collaborators

2 papers

math.GR2023

Multivariate growth and cogrowth

Rostislav Grigorchuk, Jean-Francois Quint, Asif Shaikh

We investigate a multivariate growth series $Γ_{L} (z), z \in C^{d}$ associated with a regular language $L$ over an alphabet of cardinality $d .$ Our focus is on lan…

math.GR2016★ 2 cited

Joint spectrum and infinite dihedral group

Rostilav Grigorchuk, Rongwei Yang

For a tuple $A = (A_{1}, A_{2}, ..., A_{n})$ of elements in a unital Banach algebra $B$ , its {\em projective joint spectrum} $P (A)$ is the collection of $z \in C^{n}$ …