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The Center Of A Generalized Effect Algebra

open access: yesDemonstratio Mathematica, 2014
In this article, we study the center of a generalized effect algebra (GEA), relate it to the exocenter, and in case the GEA is centrally orthocomplete (a COGEA), relate it to the exocentral cover system. Our main results are that the center of a COGEA is
Foulis D. J., Pulmannová S.
doaj   +6 more sources

Intervals in Generalized Effect Algebras and their Sub-generalized Effect Algebras [PDF]

open access: yesActa Polytechnica, 2013
We consider subsets G of a generalized effect algebra E with 0∈G and such that every interval [0, q]G = [0, q]E ∩ G of G (q ∈ G , q ≠ 0) is a sub-effect algebra of the effect algebra [0, q]E.
Zdenka Riečanová, Michal Zajac
doaj   +4 more sources

Anxiety and Performance in High‐Achieving Adolescents: Associations Among 8 General and Specific Anxiety Measures and 13 School Grades [PDF]

open access: yesPsyCh Journal
Despite years of research, the links between domain‐general and domain‐specific anxieties (e.g., social), as well as their links with academic performance in different domains remain poorly understood.
Maxim Likhanov   +4 more
doaj   +2 more sources

MAXIMAL SUBSETS OF PAIRWISE SUMMABLE ELEMENTS IN GENERALIZED EFFECT ALGEBRAS [PDF]

open access: yesActa Polytechnica, 2013
We show that in any generalized effect algebra (G;⊕, 0) a maximal pairwise summable subset is a sub-generalized effect algebra of (G;⊕, 0), called a summability block.
Zdenka Riečanová, Jiří Janda
doaj   +4 more sources

The generalized relativistic harmonic oscillator with the Snyder-de Sitter algebra

open access: yesResults in Physics, 2023
The Snyder-de Sitter (SdS) algebra is a model of non-commutative space–time admitting three fundamental parameters: the speed of light, the Planck mass and the cosmological constant, and therefore can be seen as an example of triply special relativity ...
A. Andolsi   +3 more
doaj   +1 more source

A Mathematical Study of the (3+1)-D Variable Coefficients Generalized Shallow Water Wave Equation with Its Application in the Interaction between the Lump and Soliton Solutions

open access: yesMathematics, 2022
In this paper, the Hirota bilinear method, which is an important scheme, is used. The equation of the shallow water wave in oceanography and atmospheric science is extended to (3+1) dimensions, which is a well-known equation. A lot of classes of rational
Ruijuan Li   +5 more
doaj   +1 more source

A Generic Operational Metatheory for Algebraic Effects [PDF]

open access: yes2010 25th Annual IEEE Symposium on Logic in Computer Science, 2010
We provide a syntactic analysis of contextualpreorder and equivalence for a polymorphic programminglanguage with effects. Our approach applies uniformly acrossa range of algebraic effects, and incorporates, as instances:errors, input/output, global state, nondeterminism, probabilisticchoice, and combinations thereof.
Patricia Johann   +2 more
openaire   +5 more sources

Completing the fifth PN precision frontier via the EFT of spinning gravitating objects

open access: yesJournal of High Energy Physics, 2023
We put forward a broader picture of the effective theory of a spinning particle within the EFT of spinning gravitating objects, through which we derive and establish the new precision frontier at the fifth PN (5PN) order.
Michèle Levi, Zhewei Yin
doaj   +1 more source

The Effect of Missing Data Handling Methods and their Volume on Detecting Differential Item Functioning of Test Items

open access: yesالمجلة الأردنية للعلوم التطبيقية-العلوم الانسانية, 2022
This study aimed to investigate the effect of different methods for handling missing data and its volume on detecting differential item functioning (DIF) for test items according to the gender variable, using the Generalized Mantel-Haenszel test (GMH ...
Iman Ghazou, Amal Al-Zoubi
doaj   +1 more source

SO(5) Landau models and nested Nambu matrix geometry

open access: yesNuclear Physics B, 2020
The SO(5) Landau model is the mathematical platform of the 4D quantum Hall effect and provide a rare opportunity for a physical realization of the fuzzy four-sphere.
Kazuki Hasebe
doaj   +1 more source

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