Subdirect sums of integers and reals
The lattice of all convex -subgroups of a lattice-ordered group
Minimal prime subgroups of lattice-ordered groups
The hulls of semiprime rings
Epi-archimedean groups
Lex-subgroups of lattice-ordered groups
Subgroups and hulls of Specker lattice-ordered groups
In this article, it will be shown that every -subgroup of a Specker -group has singular elements and that the class of -groups that are -subgroups of Specker -group form a torsion class. Methods of adjoining units and bases to Specker -groups are then studied with respect to the generalized Boolean algebra of singular elements, as is the strongly projectable hull of a Specker -group.
Lattice-ordered groups with rank one components
Locally finite conditions on lattice-ordered groups
On adjoining units to hyper-archimedean -groups
Finite-valued subgroups of lattice-ordered groups
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