Rings over Which Matrices Are Sums of Idempotent and \( q \)-Potent Matrices A. N. AbyzovD. T. Tapkin OriginalPaper 29 January 2021 Pages: 1 - 13
Multivalued Quasimöbius Mappings from Circle to Circle V. V. Aseev OriginalPaper 29 January 2021 Pages: 14 - 22
On Universal Pairs in the Ershov Hierarchy N. A. BazhenovM. MustafaS. S. Ospichev OriginalPaper 29 January 2021 Pages: 23 - 31
Ulyanov-Type Embedding Theorems for Functions on Zero-Dimensional Locally Compact Groups S. S. Volosivets OriginalPaper 29 January 2021 Pages: 32 - 43
On the Coincidence of the Classes of Finite Groups \( E_{\pi_{x}} \) and \( D_{\pi_{x}} \) K. A. IlenkoN. V. Maslova OriginalPaper 29 January 2021 Pages: 44 - 51
Almost \( \omega \)-Categorical Weakly \( o \)-Minimal Theories of Convexity Rank 1 B. Sh. KulpeshovT. S. Mustafin OriginalPaper 29 January 2021 Pages: 52 - 65
Extensions of Semigroups and Morphisms of Semigroup \( C^{*} \)-Algebras E. V. Lipacheva OriginalPaper 29 January 2021 Pages: 66 - 76
On Characterization of Simple Orthogonal Groups of Odd Dimension in the Class of Periodic Groups D. V. LytkinaV. D. Mazurov OriginalPaper 29 January 2021 Pages: 77 - 83
Asymptotic Stability for a Class of Equations of Neutral Type V. V. MalyginaA. S. Balandin OriginalPaper 29 January 2021 Pages: 84 - 92
Recognizing \( A_{7} \) by Its Set of Element Orders A. S. MamontovE. Jabara OriginalPaper 29 January 2021 Pages: 93 - 104
A New Characterization of Finite \( \sigma \)-Soluble \( P\sigma T \)-Groups Y. MaoX. MaW. Guo OriginalPaper 29 January 2021 Pages: 105 - 113
The Maximal Cardinality of the Base in \( P_{2}\times P_{2} \) S. MeshaikT. Oner OriginalPaper 29 January 2021 Pages: 114 - 122
Embeddings Determined by Universal Words in the Rank 2 Free Group V. H. Mikaelian OriginalPaper 29 January 2021 Pages: 123 - 130
Solution of Ponomarev’s Problem of Condensation onto Compact Sets A. V. OsipovE. G. Pytkeev OriginalPaper 29 January 2021 Pages: 131 - 137
On the Right-Symmetric Algebras with a Unital Matrix Subalgebra A. P. PozhidaevI. P. Shestakov OriginalPaper 29 January 2021 Pages: 138 - 147
Nilpotency of Alternative and Jordan Algebras A. V. Popov OriginalPaper 29 January 2021 Pages: 148 - 158
The Cauchy Problem for the Nonlinear Long Longitudinal Waves Equation in a Viscoelastic Rod Kh. G. Umarov OriginalPaper 29 January 2021 Pages: 159 - 168
Finite Groups with Weakly Subnormal and Partially Subnormal Subgroups J. HuangB. HuA. N. Skiba OriginalPaper 29 January 2021 Pages: 169 - 177
Some Notes on the Second Maximal Subgroups of Finite Groups J. ZhangZh. GaoL. Miao OriginalPaper 29 January 2021 Pages: 178 - 181
Locally Finite Groups with Prescribed Structure of Finite Subgroups A. A. Shlepkin OriginalPaper 29 January 2021 Pages: 182 - 188