## Fatma Hadded Contractive projections and Seever's identity in complex $f$-algebras

Comment.Math.Univ.Carolinae 44,2 (2003) 203-215.

Abstract:In this paper we give necessary and sufficient conditions in order that a contractive projection on a complex $f$-algebra satisfies Seever's identity.

Keywords: vector lattice, $\sigma$-Dedekind complete vector lattice, Dedekind complete vector lattice, complex $f$-algebra, contractive projection
AMS Subject Classification: 46A40, 46H05, 06F25