Real rank and squaring mapping for unital C*-algebras

A. Chigogidze, A. Karasev, M. Rordam

It is proved that if X is a compact Hausdorff space of Lebesgue dimension $\dim (X)$, then the squaring mapping ${\alpha }_m:(C(X{)}_{\mathrm{sa}}{)}^m\to C(X{)}_{+}$, defined by $α_{…