Homomorphisms of C*-algebras and their K-theory

Parastoo Naderi, Jamal Rooin

Let $A$ and $B$ be C*-algebras and $\phi :A\to B$ be a $\ast$-homomorphism. We discuss the properties of the kernel and (co-)image of the induced map $\mathrm{K}_{0}(φ)\colon \mathr…