Graded $K$-theory and Leavitt path algebras

Guido Arnone, Guillermo Cortiñas

Let $G$ be a group and $\ell$ a commutative unital $\ast$-ring with an element $\lambda \in \ell$ such that $\lambda +{\lambda }^{\ast }=1$. We introduce variants of hermitian bivariant $K$-theory for $\…