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Elementary theories and structural properties of d-c.e. and n-c.e. degrees


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Resumo

This paper is a survey on the upper semilattices of Turing and enumeration degrees of n-c.e. sets. Questions on the structural properties of these semilattices, and some model-theoretic properties are considered.

Sobre autores

M. Arslanov

Institute of Mathematics and Mechanics

Autor responsável pela correspondência
Email: marat.arslanov@kpfu.ru
Rússia, Kremlevskaya ul. 35, Kazan, Tatarstan, 420008

I. Kalimullin

Institute of Mathematics and Mechanics

Email: marat.arslanov@kpfu.ru
Rússia, Kremlevskaya ul. 35, Kazan, Tatarstan, 420008

M. Yamaleev

Institute of Mathematics and Mechanics

Email: marat.arslanov@kpfu.ru
Rússia, Kremlevskaya ul. 35, Kazan, Tatarstan, 420008

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Declaração de direitos autorais © Pleiades Publishing, Ltd., 2016