A characterization of minimal algebras by an invariant ternary relation

Preprint series: TU Dresden, Technical Report MATH-AL-11-2002, 10 pages

MSC 2000

08A62 Finitary algebras

08A02 Relational systems, laws of composition

Abstract
Minimal algebras (in the sense of Tame Congruence Theory) are characterized by a ternary invariant relation. Some generalization and connections to P\'alfy's theorem are discussed.

Keywords: minimal algebra, Tame Congruence theory, invariant relation