2 papers
math.RA2012
Minimal quasivarieties of semilattices over commutative groups
Ildikó V. Nagy
We continue some recent investigations of W. Dziobiak, J. Jezek, and M. Maroti. Let G=(G,\cdot) be a commutative group. A semilattice over G is a semilattice enriched with G as a s…
math.RA2012
Varieties of distributive rotational lattices
Gábor Czédli, Ildikó V. Nagy
A rotational lattice is a structure (L;\vee,\wedge, g) where L=(L;\vee,\wedge) is a lattice and g is a lattice automorphism of finite order. We describe the subdirectly irreducible…