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Semi-ordered groups

Jiří Rachůnek (1979)

Sborník prací Přírodovědecké fakulty University Palackého v Olomouci. Matematika

Sequential convergences on free lattice ordered groups

Ján Jakubík (1992)

Mathematica Bohemica

In this paper the partially ordered set Conv G of all sequential convergences on G is investigated, where G is either a free lattice ordered group or a free abelian lattice ordered group.

Sobre las isometrías de los grupos y anillos reticulados.

Josep Grané Manlleu (1980)

Stochastica

El contenido de este trabajo tiene un objetivo fundamental: el estudio, clasificación y caracterización de las isometrías de un grupo reticulado. Se introducen los conceptos de grupo de isometrías M(G) de un grupo reticulado G, grupo de simetrías homogéneas H(G) y traslaciones T(G). Se estudia primero el caso elemental de los grupos totalmente ordenados y utilizando luego las representaciones de los grupos (y f-anillos) en un producto de totalmente ordenados, se introduce el concepto de conjunto...

Some comments and examples on generation of (hyper-)archimedean -groups and f -rings

A. W. Hager, D. G. Johnson (2010)

Annales de la faculté des sciences de Toulouse Mathématiques

This paper systematizes some theory concerning the generation of -groups and reduced f -rings from substructures. We are particularly concerned with archimedean and hyperarchimedean groups and rings. We discuss the process of adjoining a weak order unit to an -group, or an identity to an f -ring and find significant contrasts between these cases. In -groups, hyperarchimedeanness and similar properties fail to pass from generating structures to the structures that they generate, as illustrated by...

Some properties of Lorenzen ideal systems

Aleka Kalapodi, Angeliki Kontolatou, Jiří Močkoř (2000)

Archivum Mathematicum

Let G be a partially ordered abelian group ( p o -group). The construction of the Lorenzen ideal r a -system in G is investigated and the functorial properties of this construction with respect to the semigroup ( R ( G ) , , ) of all r -ideal systems defined on G are derived, where for r , s R ( G ) and a lower bounded subset X G , X r s = X r X s . It is proved that Lorenzen construction is the natural transformation between two functors from the category of p o -groups with special morphisms into the category of abelian ordered semigroups.

Spectra of abelian wekly associative lattice groups

Jiří Rachůnek (2000)

Discussiones Mathematicae - General Algebra and Applications

The notion of a weakly associative lattice group is a generalization of that of a lattice ordered group in which the identities of associativity of the lattice operations join and meet are replaced by the identities of weak associativity. In the paper, the spectral topologies on the sets of straightening ideals (and on some of their subsets) of abelian weakly associative lattice groups are introduced and studied.

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