Weakly Precomplete Equivalence Relations in the Ershov Hierarchy N. A. BazhenovB. S. Kalmurzaev OriginalPaper 07 November 2019 Pages: 199 - 213
ω-Independent Bases for Quasivarieites of Torsion-Free Groups A. I. Budkin OriginalPaper 07 November 2019 Pages: 214 - 223
Computable Numberings of Families of Infinite Sets M. V. Dorzhieva OriginalPaper 07 November 2019 Pages: 224 - 231
Canonical and Algebraically Closed Groups in Universal Classes of Abelian Groups A. A. MishchenkoV. N. RemeslennikovA. V. Treier OriginalPaper 07 November 2019 Pages: 232 - 243
Lattices of Boundedly Axiomatizable ∀-Subclasses of ∀-Classes of Universal Algebras A. G. Pinus OriginalPaper 07 November 2019 Pages: 244 - 248
Counterexamples to Two Conjectures in the Kourovka Notebook S. V. Skresanov OriginalPaper 07 November 2019 Pages: 249 - 253
Universal Theories and Centralizer Dimensions of Groups E. I. Timoshenko OriginalPaper 07 November 2019 Pages: 268 - 281
Turing Degrees of Complete Formulas of Almost Prime Models S. S. GoncharovR. MillerV. Harizanov COMMUNICATIONS 07 November 2019 Pages: 282 - 287
Generating Sets of Involutions of Finite Simple Groups Ya. N. Nuzhin OriginalPaper 07 November 2019 Pages: 288 - 293