On The Coset Structure Of Skew Lattices

author: João Pita Costa, Artificial Intelligence Laboratory, Jožef Stefan Institute
published: Nov. 12, 2012,   recorded: October 2012,   views: 3688


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The study of noncommutative lattices began in 1949 with Pascual Jordan, motivated by questions on Quantum Logic. Skew lattices have been the most successful variation of noncommutative lattices. Jonathan Leech studied a more general version of these algebras and was later interested in their Boolean version termed skew Boolean algebras. The left-handed version of that case includes the class of Boolean skew algebras earlier studied by W.D. Cornish. R.J. Bignall, following ideas of Keimal and Werner, observed a subclass of skew Boolean algebras constitutes a decidable discriminator variety. In collaboration with J. Leech, R. Veroff, R.J. Bignall and M. Spinks have studied general properties of these algebras and used them in the study of multiple valued logic. A special attention has been always devoted to skew lattices in rings, that constitute a large class of examples, where Karin Cvetko-Vah and JPC answered several open questions. Today the classical dualities as Stone’s and Priestley’s are a focus of research in this context, where several relevant results have been achieved.

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