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math-ph2022
States of finite effect algebras
G. Bińczak, J. Kaleta, A. Zembrzuski
In this paper we characterize finite effect algebras which have a state. We construct two matrices and assigned to a finite effect algebra and show that if has a st…
math-ph2015
Sharp and principal elements in effect algebras
Grzegorz Bińczak, Joanna Kaleta
In this paper we characterize the effect algebras whose sharp and principal elements coincide. We also give examples of two non-isomorphic effect algebras having the same universum…