Surjective isometries between unitary sets of unital JB${}^{\ast }$-algebras

María Cueto-Avellaneda, Yuta Enami, Daisuke Hirota +2

This paper is, in a first stage, devoted to establish a topological--algebraic characterization of the principal component, ${\mathcal{U}}^0(M)$, of the set of unitary elements, $\m…