-posets
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František Kôpka, Ferdinand Chovanec (1994)
Mathematica Slovaca
Mirko Navara (1992)
Mathematica Bohemica
Using the general hypergraph technique developed in [7], we first give a much simpler proof of Shultz's theorem [10]: Each compact convex set is affinely homeomorphic to the state space of an orthomodular lattice. We also present partial solutions to open questions formulated in [10] - we show that not every compact convex set has to be a state space of a unital orthomodular lattice and that for unital orthomodular lattices the state space characterization can be obtained in the context of unital...
Sylvia Pulmannová (2001)
Commentationes Mathematicae Universitatis Carolinae
It is shown that divisible effect algebras are in one-to-one correspondence with unit intervals in partially ordered rational vector spaces.
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