A synaptic algebra A is a generalization of the self-adjoint part of a von Neumann algebra. We study a linear subspace V of A in regard to the question of when V is a vector lattice. Our main theorem states that if V contains the identity element of A and is closed under the formation of both the absolute value and the carrier of its elements, then V is a vector lattice if and only if the elements of V commute pairwise. (C) 2017 Mathematical Institute Slovak Academy of Sciences
机构:
Leiden Univ, Math Inst, POB 9512, NL-2300 RA Leiden, NetherlandsLeiden Univ, Math Inst, POB 9512, NL-2300 RA Leiden, Netherlands
Ding, Chun
de Jeu, Marcel
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机构:
Leiden Univ, Math Inst, POB 9512, NL-2300 RA Leiden, Netherlands
Univ Pretoria, Dept Math & Appl Math, Corner Lynnwood Rd & Roper St, ZA-0083 Pretoria, South AfricaLeiden Univ, Math Inst, POB 9512, NL-2300 RA Leiden, Netherlands