The nonseparability of simply presented mixed groups
Hill, Paul ; Megibben, Charles K.
Commentationes Mathematicae Universitatis Carolinae, Tome 39 (1998), p. 1-5 / Harvested from Czech Digital Mathematics Library
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It is demonstrated that an isotype subgroup of a simply presented abelian group can be simply presented without being a separable subgroup. In particular, the conjecture based on a variety of special cases that Warfield groups are absolutely separable is disproved.

Publié le : 1998-01-01
Classification:  20F05,  20K21,  20K27 
@article{118979,
     author = {Paul Hill and Charles K. Megibben},
     title = {The nonseparability of simply presented mixed groups},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     volume = {39},
     year = {1998},
     pages = {1-5},
     zbl = {0943.20053},
     mrnumber = {1622308},
     language = {en},
     url = {http://dml.mathdoc.fr/item/118979}
}

Hill, Paul; Megibben, Charles K. The nonseparability of simply presented mixed groups. Commentationes Mathematicae Universitatis Carolinae, Tome 39 (1998) pp. 1-5. http://gdmltest.u-ga.fr/item/118979/

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