This article is cited in 3 papers

Brief communications

Ranges of $\eta$-functions of $\eta$-like linear orderings

A. N. Frolov

Department of Algebra and Mathematical Logic, Kazan (Volga Region) Federal University, Kazan, Russia

Abstract: We completely describe ranges of $\eta$-functions of $\eta$-like linear orderings without computable presentations.

Keywords: linear orderings, computable presentations, $\eta$-like orderings.

UDC: 510.53+512.562

Presented by the member of Editorial Board: M. M. Arslanov
Received: 26.09.2011

 English version: Russian Mathematics (Izvestiya VUZ. Matematika), 2012, 56:3, 87–89

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