A Note on Extensions of Generalized Effect Algebras to Effect Algebras

Abstract We present an example that the usual natural extension of a generalized effect algebra to an effect algebra need not preserve infinite suprema, i.e., the original generalized effect algebra need not be a ( $$\sigma $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>σ</mml:mi> </mml:math> -)complete order ideal in the extension.

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Publication Details

Journal
International Journal of Theoretical Physics
Published
2026-01-12
DOI
https://doi.org/10.1007/s10773-025-06207-y
Primary Topic
Advanced Algebra and Logic
Type
article
Field-Weighted Citation Impact
0.00
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article

A Note on Extensions of Generalized Effect Algebras to Effect Algebras

Josef Tkadlec
International Journal of Theoretical Physics
Advanced Algebra and Logic
article

A Note on Extensions of Generalized Effect Algebras to Effect Algebras

Josef Tkadlec
article en

Abstract

Abstract We present an example that the usual natural extension of a generalized effect algebra to an effect algebra need not preserve infinite suprema, i.e., the original generalized effect algebra need not be a ( $$\sigma $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>σ</mml:mi> </mml:math> -)complete order ideal in the extension.

International Journal of Theoretical PhysicsVol. 65(1)
Czech Technical University in Prague (CZ)
Openalex Percentile: Top 89%
Advanced Algebra and Logic
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A Note on Extensions of Generalized Effect Algebras to Effect Algebras — Josef Tkadlec · International Journal of Theoretical Physics (2026) | TGRS Research Map | TGRS