Clones, order varieties, near unanimity functions and holes

DOI10.1007/BF00418652zbMath0734.06001OpenAlexW1982129048MaRDI QIDQ810548

Ivan Rival, Robert W. Quackenbush, Ivo G. Rosenberg

Publication date: 1990

Published in: Order (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf00418652

zbMATH Keywords

fenceclonenear unanimity functionorder varietymajority functionorder- preserving functions

Mathematics Subject Classification ID

Partial orders, general (06A06) Operations and polynomials in algebraic structures, primal algebras (08A40)

Related Items

Posets, near unanimity functions and zigzags, NU Polymorphisms on Reflexive Digraphs, Graphs with edge-preserving majority functions, Obituary: Ivan Rival, Monotone Jónsson operations and near unanimity functions, Series parallel posets with nonfinitely generated clones, Monotone clones and the varieties they determine

Cites Work

• Unnamed Item
• The strong selection property and ordered sets of finite length
• Algebraic properties of crowns and fences
• An application of the Helly property to the partially ordered sets
• Holes in ordered sets
• A maximal clone of monotone operations which is not finitely generated
• Bestimmung der Ordnung Maximaler Klassen von Funktionen der k‐Wertigen Logik