Universal Algebra and Lattice Theory

Inhaltsverzeichnis

• Universal terms for pseudo-complemented distributive lattices and Heyting algebras.
• Clones of operations on relations.
• Separation conditions on convexity lattices.
• Some independence results in the co-ordinization of arguesian lattices.
• Unary operations on completely distributive complete lattices.
• Connected components of the covering relation in free lattices.
• Varieties with linear subalgebra geometries.
• Generalized commutativity.
• The word and isomorphism problems in universal algebra.
• Linear lattice proof theory: An overview.
• Interpolation antichains in lattices.
• Subdirectly irreducible and simple boolean algebras with endomorphisms.
• A note on varieties of graph algebras.
• How to construct finite algebras which are not finitely based.
• Finite integral relation algebras.
• Some varieties of semidistributive lattices.
• Homomorphisms of partial and of complete steiner triple systems and quasigroups.
• Principal congruence formulas in arithmetical varieties.
• From affine to projective geometry via convexity.
• More conditions equivalent to congruence modularity.