Abstract
We exhibit effect algebras which can be covered by MV-subalgebras. We show that any effect algebra E which satisfies the Riesz interpolation property (RIP) and the so-called difference-meet property (DMP) can be covered by blocks, maximal subsets of mutually strongly compatible elements of E, which are always MV-subalegbras. This result generalizes that of Riečanová who proved the same result for lattice-ordered effect algebras. We show that for effect algebras with only (RIP) the result in question can fail.
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Dvurečenskij, A. Effect Algebras Which Can Be Covered by MV-Algebras. International Journal of Theoretical Physics 41, 221–229 (2002). https://doi.org/10.1023/A:1014002721731
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DOI: https://doi.org/10.1023/A:1014002721731