Lifting morphisms between graded Grothendieck groups of Leavitt path algebras

Guido Arnone

We show that any pointed, preordered module map ${\mathfrak{BF}}_{\mathrm{gr}}(E)\to {\mathfrak{BF}}_{\mathrm{gr}}(F)$ between Bowen-Franks modules of finite graphs can be lifted to a…