%0 Journal Article
%T Positive definite hermitian mappings associated to tripotent elements
%A Antonio M. Peralta
%J Mathematics
%D 2013
%I arXiv
%X We give a simple proof of a meaningful result established by Y. Friedman and B. Russo in 1985, whose proof was originally based on strong holomorphic results. We provide a simple proof which is directly deduced from the axioms of JB*-triples with techniques of Functional Analysis.
%U http://arxiv.org/abs/1302.5245v1