Abstract
Define a lattice to be order endoprimal if every order preserving operation on the lattice which is preserved by all endomorphisms is a term operation. We prove that every lattice in the variety generated by \(\mathbf{N}_5\) is order endoprimal.
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Dedicated to Ralph Freese, Bill Lampe, and J.B. Nation.
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This article is part of the topical collection “Algebras and Lattices in Hawaii” edited by W. DeMeo.
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Snow, J.W. Term operations in \(\mathcal {V}(N_5)\). Algebra Univers. 80, 34 (2019). https://doi.org/10.1007/s00012-019-0607-3
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DOI: https://doi.org/10.1007/s00012-019-0607-3