Completeness in the arithmetical hierarchy and fixed points M. M. Arslanov OriginalPaper Pages: 1 - 9
Problem of the conjugacy of automorphisms of free groups O. V. Bogopol'skii OriginalPaper Pages: 10 - 17
Application of precomplete enumerations to tabular-type degrees and index sets V. L. Selivanov OriginalPaper Pages: 51 - 56
Property of t-retraceability and automorphisms of a lattice of recursively enumerable sets Yu. D. Shmidt OriginalPaper Pages: 74 - 82
A sufficient condition for a group automorphism to be algebraic A. V. Yagzhev OriginalPaper Pages: 83 - 85