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Displaying 941 – 960 of 1272

Subdirect representation of tight Riesz groups by hybrid products.

John Boris Miller (1976)

Journal für die reine und angewandte Mathematik

Subdirectly irreducible MV-algebras

Hernando Gaitan (2003)

Czechoslovak Mathematical Journal

In this note we characterize the one-generated subdirectly irreducible MV-algebras and use this characterization to prove that a quasivariety of MV-algebras has the relative congruence extension property if and only if it is a variety.

Subdirectly Irreducibles in some Varieties of Algebras having the Semilattice Structure

T. Wesolowski (1992)

Beiträge zur Algebra und Geometrie = Contributions to algebra and geometry

Subfields of lattice-ordered fields that mimic maximal totally ordered subfields

Robert H. Redfield (2001)

Czechoslovak Mathematical Journal

Subgroups and hulls of Specker lattice-ordered groups

Paul F. Conrad, Michael R. Darnel (2001)

Czechoslovak Mathematical Journal

In this article, it will be shown that every $ℓ$ -subgroup of a Specker $ℓ$ -group has singular elements and that the class of $ℓ$ -groups that are $ℓ$ -subgroups of Specker $ℓ$ -group form a torsion class. Methods of adjoining units and bases to Specker $ℓ$ -groups are then studied with respect to the generalized Boolean algebra of singular elements, as is the strongly projectable hull of a Specker $ℓ$ -group.

Submeasures and Locally Solid Topologies on Riesz Spaces.

Iwo Labuda (1987)

Mathematische Zeitschrift

Subtraction algebras and $B C K$ -algebras

Young Hee Kim, Hee Sik Kim (2003)

Mathematica Bohemica

In this note we show that a subtraction algebra is equivalent to an implicative $B C K$ -algebra, and a subtraction semigroup is a special case of a $B C I$ -semigroup.

Subtraction semigroups

Bohdan Zelinka (1995)

Mathematica Bohemica

A subtraction semigroup is a semigroup $(A, ., -)$ with a further operation " $-$ " added, called subtraction and satisfying certain axioms. The paper concerns a problem by B. M. Schein concerning the structure of multiplication in a subtraction semigroup.