Grothendieck rings of towers of twisted generalized Weyl algebras

Jonas T. Hartwig, Daniele Rosso

Twisted generalized Weyl algebras (TGWAs) $A(R,\sigma ,t)$ are defined over a base ring $R$ by parameters $\sigma$ and $t$, where $\sigma$ is an $n$-tuple of automorphisms, and $t$ is an $n$-tuple…