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JOURNALS // Matematicheskie Trudy // Archive

Mat. Tr., 2002 Volume 5, Number 1, Pages 114–128 (Mi mt103)

Relative Complexity for Computable Representations of the Conventional Linear Order on the Set of Naturals

S. Yu. Podzorov

Sobolev Institute of Mathematics, Siberian Branch of the Russian Academy of Sciences

Abstract: In the present article, we study the relationship between computable representations of the set of naturals with the conventional linear order. Two reducibility relations are introduced on the set of all such representations. Each of these relations determines a certain partially ordered set of degrees. We consider some questions concerning the algebraic structure of these posets and the interlocation of various degrees.

Key words: computable function, computable representation, linear order, reducibility, degrees of unsolvability.

UDC: 510.5

Received: 27.03.2001


 English version:
Siberian Advances in Mathematics, 2002, 12:4, 44–56

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© Steklov Math. Inst. of RAS, 2026