Results 41 to 50 of about 1,603 (177)

A Comparison of Implications in Orthomodular Quantum Logic—Morphological Analysis of Quantum Logic

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 2012, Issue 1, 2012., 2012
Morphological operators are generalized to lattices as adjunction pairs (Serra, 1984; Ronse, 1990; Heijmans and Ronse, 1990; Heijmans, 1994). In particular, morphology for set lattices is applied to analyze logics through Kripke semantics (Bloch, 2002; Fujio and Bloch, 2004; Fujio, 2006).
Mitsuhiko Fujio, Shigeru Kanemitsu
wiley   +1 more source

Conrad’s Partial Order on P.Q.-Baer *-Rings

open access: yesDiscussiones Mathematicae - General Algebra and Applications, 2018
We prove that a p.q.-Baer *-ring forms a pseudo lattice with Conrad’s partial order and also characterize p.q.-Baer *-rings which are lattices. The initial segments of a p.q.-Baer *-ring with the Conrad’s partial order are shown to be an orthomodular ...
Khairnar Anil, Waphare B.N.
doaj   +1 more source

On Quantum-MV Algebras - Part I: The Orthomodular Algebras

open access: yesScientific Annals of Computer Science, 2021
We prove that almost all the properties of quantum-MV algebras are verified by orthomodular algebras, the new algebras introduced in a previous paper. We put a special insight on transitive antisymmetric orthomodular (taOM) algebras, generalizations of ...
Afrodita Iorgulescu
doaj   +1 more source

Archimedean Atomic Lattice Effect Algebras with Complete Lattice of Sharp Elements [PDF]

open access: yes, 2010
We study Archimedean atomic lattice effect algebras whose set of sharp elements is a complete lattice. We show properties of centers, compatibility centers and central atoms of such lattice effect algebras. Moreover, we prove that if such effect algebra $
Riecanova, Zdenka
core   +6 more sources

Semilattices global valuations in the topos approach to quantum mechanics [PDF]

open access: yes, 2017
In the framework of the topos approach to quantum mechanics a kind of global valuation is introduced and studied. It allows us to represent certain features related to the logical consequences of properties about quantum systems when its phase space is ...
de Ronde, Christian   +2 more
core   +1 more source

Categoricity and Possibility. A Note on Williamson's Modal Monism [PDF]

open access: yes, 2020
The paper sketches an argument against modal monism, more specifically against the reduction of physical possibility to metaphysical possibility.
Toader, Iulian D.
core  

Quantum information as a non-Kolmogorovian generalization of Shannon's theory [PDF]

open access: yes, 2015
In this article we discuss the formal structure of a generalized information theory based on the extension of the probability calculus of Kolmogorov to a (possibly) non-commutative setting.
Bellomo, G., Bosyk, G. M., Holik, F.
core   +4 more sources

The logic of causally closed spacetime subsets

open access: yes, 2002
The causal structure of space-time offers a natural notion of an opposite or orthogonal in the logical sense, where the opposite of a set is formed by all points non time-like related with it.
Casini, H.
core   +2 more sources

Quantum logic is undecidable

open access: yes, 2020
We investigate the first-order theory of closed subspaces of complex Hilbert spaces in the signature $(\lor,\perp,0,1)$, where `$\perp$' is the orthogonality relation.
Fritz, Tobias
core   +1 more source

Sharply Orthocomplete Effect Algebras [PDF]

open access: yes, 2010
Special types of effect algebras $E$ called sharply dominating and S-dominating were introduced by S. Gudder in \cite{gudder1,gudder2}. We prove statements about connections between sharp orthocompleteness, sharp dominancy and completeness of $E$. Namely
Kalina, Martin   +2 more
core   +3 more sources

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