

Author: Khisamiev N.
Publisher: Springer Publishing Company
ISSN: 0037-4466
Source: Siberian Mathematical Journal, Vol.48, Iss.1, 2007-01, pp. : 172-179
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Abstract
We prove the following: (1) a torsion-free class 2 nilpotent group is constructivizable if and only if it is isomorphic to the extension of some constructive abelian group included in the center of the group by some constructive torsion-free abelian group and some recursive system of factors; (2) a constructivizable torsion-free class 2 nilpotent group whose commutant has finite rank is orderably constructivizable.
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