Norm additive mappings between commutative $C^{\ast }$-algebras in the range

Daisuke Hirota

Let \( A_i \) be a commutative \( C^{*} \)-algebra for \( i = 1, 2 \), and denote by \( A_i^{+} \) its positive cone, consisting of all positive elements of \( A_i \). In this pape…