A Semigroup of Theories and Its Lattice of Idempotent Elements M. I. BekenovA. M. Nurakunov OriginalPaper 15 June 2021 Pages: 1 - 14
Piecewise Monotonicity for Unary Functions in o-Stable Groups V. V. VerbovskiyA. B. Dauletiyarova OriginalPaper 15 June 2021 Pages: 15 - 25
Characterizations of ITBM-Computability. II P. KoepkeA. S. Morozov OriginalPaper 15 June 2021 Pages: 26 - 37
Topologies, Ranks, and Closures for Families of Theories. II N. D. MarkhabatovS. V. Sudoplatov OriginalPaper 12 June 2021 Pages: 38 - 52
A Basis for the Commutator Subgroup of a Partially Commutative Metabelian Pro-p-Group E. I. Timoshenko OriginalPaper 12 June 2021 Pages: 53 - 63
Interpreting the Action of the Endomorphism Monoid of the Rationals J. K. TrussE. Vargas-García OriginalPaper 17 June 2021 Pages: 64 - 74
