Spectral Real Semigroups
Max A. Dickmann, Alejandro Petrovich · Annales de la faculté des sciences de Toulouse Mathématiques · 2012
The notion of a real semigroup was introduced in [8] to provide a framework for the investigation of the theory of (diagonal) quadratic forms over commutative, unitary, semi-real rings. In this paper we introduce and study an outstanding class of such structures, that we call spectral real semigroups (SRS). Our main results are: (i) The existence of a natural functorial duality between the category of SRSs and that of hereditarily normal spectral spaces; (ii) Characterization of the SRSs as the real semigroups whose representation partial order is a distributive lattice; (iii) Determination of all quotients of SRSs, and (iv) Spectrality of the real semigroup associated to any lattice-ordered ring.