Algebras describing pseudocomplemented, relatively pseudocomplemented and sectionally pseudocomplemented posets
Rings and Algebras
2021-03-24 v1 Combinatorics
Abstract
In order to be able to use methods of Universal Algebra for investigating posets, we assign to every pseudocomplemented poset, to every relatively pseudocomplemented poset and to every sectionally pseudocomplemented poset a certain algebra (based on a commutative directoid or on a lambda-lattice) which satisfies certain identities and implications. We show that the assigned algebras fully characterize the given corresponding posets. It turns out that the assigned algebras satisfy strong congruence properties which can be transferred back to the posets. We also mention applications of such posets in certain non-classical logics.
Cite
@article{arxiv.2103.12582,
title = {Algebras describing pseudocomplemented, relatively pseudocomplemented and sectionally pseudocomplemented posets},
author = {Ivan Chajda and Helmut Länger},
journal= {arXiv preprint arXiv:2103.12582},
year = {2021}
}