We investigate certain Brouwer-Zadeh lattices that serve as abstract counterparts of lattices of e¤ects in Hilbert spaces under the spectral ordering. These algebras, called PBZ*-lattices, can also be seen as generalisations of orthomodular lattices and are remarkable for the collapse of three notions of “sharpness”that are distinct in general Brouwer-Zadeh lattices. We investigate the structure theory of PBZ*- lattices and their reducts; in particular, we prove some embedding re- sults for PBZ*-lattices and provide an initial description of the lattice of PBZ*-varieties.

A new view of effects in a Hilbert space

GIUNTINI, ROBERTO;LEDDA, ANTONIO;PAOLI, FRANCESCO
2016

Abstract

We investigate certain Brouwer-Zadeh lattices that serve as abstract counterparts of lattices of e¤ects in Hilbert spaces under the spectral ordering. These algebras, called PBZ*-lattices, can also be seen as generalisations of orthomodular lattices and are remarkable for the collapse of three notions of “sharpness”that are distinct in general Brouwer-Zadeh lattices. We investigate the structure theory of PBZ*- lattices and their reducts; in particular, we prove some embedding re- sults for PBZ*-lattices and provide an initial description of the lattice of PBZ*-varieties.
orthomodular lattices; quantum logic; brouwer-zadeh lattices; spectral ordering
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11584/156385
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