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Free Modal Lattices via Priestley Duality
Authors:Wegener  Claudia B.
Affiliation:(1) Mathematical Institute, University of Oxford, 24–29 St. Giles, Oxford, OX1 3LB, United Kingdom
Abstract:A Priestley duality is developed for the variety johgr of all modal lattices. This is achieved by restricting to johgr a known Priestley duality for the variety of all bounded distributive lattices with a meet-homomorphism. The variety johgr was first studied by R. Beazer in 1986.The dual spaces of free modal lattices are constructed, paralleling P.R. Halmos' construction of the dual spaces of free monadic Boolean algebras and its generalization, by R. Cignoli, to distributive lattices with a quantifier.
Keywords:Priestley duality  opposite Priestley relation  (free) modal lattice
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