Uniqueness of representation--theoretic hyperbolic Kac--Moody groups over $\mathbb{Z}$

Lisa Carbone, Frank Wagner

For a simply laced and hyperbolic Kac--Moody group $G=G(R)$ over a commutative ring $R$ with 1, we consider a map from a finite presentation of $G(R)$ obtained by Allcock and Carbo…