Journal of the Australian Mathematical Society · 1979 · 42 citations · 5 references
Natural SciencesMathematicsAlgebraAbstract AlgebraCategory TheoryCommutative AlgebraCategorical ProductsKleene Logic
Abstract The coproduct of a family of Kleene algebras is determined firstly by describing the maximal homomorphic image of a De Morgan algebra in the subvariety of Kleene algebras and, secondly, by characterizing the categorical product in the dual category of Kleene spaces.
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Hiroyuki Nakano, S. Romberger · 1974 · 670 citations
J. A. Kalman · Transactions of the American Mathematical Society · 1958 · 266 citations · Full text
Distributive lattices with a dual homomorphic operation
Alasdair Urquhart · Studia Logica · 1979 · 84 citations