A characterization of tolerance-distributive tree semilattices
Ivan Chajda, Bohdan Zelinka (1987)
Czechoslovak Mathematical Journal
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Displaying similar documents to “Tolerances and orderings on semilattices”
A characterization of tolerance-distributive tree semilattices
Tolerances on semilattices.
Heleyová, Z. (1998)
Mathematica Pannonica
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On JP-semilattices of Begum and Noor
Jānis Cīrulis (2013)
Mathematica Bohemica
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In recent papers, S. N. Begum and A. S. A. Noor have studied join partial semilattices (JP-semilattices) defined as meet semilattices with an additional partial operation (join) satisfying certain axioms. We show why their axiom system is too weak to be a satisfactory basis for the authors' constructions and proofs, and suggest an additional axiom for these algebras. We also briefly compare axioms of JP-semilattices with those of nearlattices, another kind of meet semilattices with a...
Sets and Posets with Inversions
Árpád Száz (2011)
Publications de l'Institut Mathématique
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Flat semilattices
George Grätzer, Friedrich Wehrung (1999)
Colloquium Mathematicae
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Some remarks on certain classes of semilattices.
Murty, P.V.Ramana, Murty, M.Krishna (1982)
International Journal of Mathematics and Mathematical Sciences
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