Isomorphisms,definable relations,and Scott families of class 2 nilpotent groups |
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Authors: | D A Tusupov |
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Institution: | (1) Pirogova 16-416, Novosibirsk, 630090, Russia |
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Abstract: | The paper deals in questions on the complexity of isomorphisms and relations on universes of structures, on the number and
properties of numberings in various hierarchies of sets, and on the existence of connections between semantic and syntactic
properties of the structures and relations for the class of nilpotent groups of class two.
Supported by the Council for Grants (under RF President) and State Aid of Fundamental Science Schools via project NSh-4413.2006.1.
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Translated from Algebra i Logika, Vol. 46, No. 4, pp. 514–524, July–August, 2007. |
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Keywords: | nilpotent group of class two numbering hierarchy Scott family |
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