An Inverse Problem for the Sturm–Liouville Operator B. N. Biyarov Research Articles 23 August 2021 Pages: 3 - 15
Projection Greedy Algorithm P. A. BorodinS. V. Konyagin Research Articles 23 August 2021 Pages: 16 - 25
A Note on the Symmetry of Sequence Spaces D. CarandoM. MazzitelliP. Sevilla-Peris Research Articles 23 August 2021 Pages: 26 - 40
Sharp Inequalities for Rational Functions on a Circle V. N. Dubinin Research Articles 23 August 2021 Pages: 41 - 47
Quotient Divisible Groups of Rank 2 M. N. ZonovE. A. Timoshenko Research Articles 23 August 2021 Pages: 48 - 60
Operators of Almost Hadamard Type and Hardy–Littlewood Operator in the Space of Entire Functions of Several Complex Variables O. A. IvanovaS. N. Melikhov Research Articles 23 August 2021 Pages: 61 - 71
On Matrices Having \(J_m(1)\oplus J_m(1)\) as Their Cosquare Kh. D. Ikramov Research Articles 23 August 2021 Pages: 72 - 79
Inverse Approximation Theorems in the Spaces \(S^{(p,q)}(\sigma^{m-1})\) R. A. Lasuriya Research Articles 23 August 2021 Pages: 80 - 91
Elliptic Differential-Difference Equations of General Form in a Half-Space A. B. Muravnik Research Articles 23 August 2021 Pages: 92 - 99
Some Properties of Local Cohomology Modules Defined by a Pair of Ideals Nguyen Minh TriTran Tuan NamNguyen Thanh Nam Research Articles 23 August 2021 Pages: 100 - 109
A Sylvester–Gallai Type Theorem for Abelian Groups F. K. NilovA. A. Polyanskii Research Articles 23 August 2021 Pages: 110 - 117
Comparison of Arithmetic, Geometric, and Harmonic Means L. V. Rozovsky Research Articles 23 August 2021 Pages: 118 - 125
Bendable Surfaces without Visible Deformations of Their Shape I. Kh. Sabitov Research Articles 23 August 2021 Pages: 126 - 134
On Asymptotic Series Expansions of Solutions to the Riccati Equation V. S. Samovol Research Articles 23 August 2021 Pages: 135 - 144
Asymptotic Solution of the Cauchy Problem for a First-Order Differential Equation with a Small Parameter in a Banach Space V. I. Uskov Research Articles 23 August 2021 Pages: 145 - 151
Rotary Mappings and Projections of a Sphere J. MikešN. I. GusevaL. Rýparová Short Communications 23 August 2021 Pages: 152 - 155
Minimal Contact Circuits for a Sequence of Boolean Functions N. P. Red’kin Short Communications 23 August 2021 Pages: 156 - 158
On the Volterra Factorization of the Wiener–Hopf Integral Operator L. G. Arabadzhyan Research Articles 23 August 2021 Pages: 161 - 166
Inheritance of Smoothness by Extremal Functions in Bergman Spaces \(A_p\) for \(0<p<\infty\) Kh. Kh. BurchaevG. Yu. Ryabykh Research Articles 23 August 2021 Pages: 167 - 185
Subgroups of the Fan of Sylow Subgroups and the Supersolvability of a Finite Group T. I. Vasilyeva Research Articles 23 August 2021 Pages: 186 - 195
The Fatou Property for General Approximate Identities on Metric Measure Spaces G. A. KaragulyanI. N. KatkovskayaV. G. Krotov Research Articles 23 August 2021 Pages: 196 - 209
On Joint Universality of the Riemann Zeta-Function A. Laurinčikas Research Articles 23 August 2021 Pages: 210 - 220
A Remark on the Steklov–Poincaré Inequality Sh. M. Nasibov Research Articles 23 August 2021 Pages: 221 - 225
Existence of Semiregular Solutions of Elliptic Systems with Discontinuous Nonlinearities V. N. PavlenkoD. K. Potapov Research Articles 23 August 2021 Pages: 226 - 241
Remarks on Galois Rational Coverings A. V. Pukhlikov Research Articles 23 August 2021 Pages: 242 - 247
Sharp Inequalities between the Best Root-Mean-Square Approximations of Analytic Functions in the Disk and Some Smoothness Characteristics in the Bergman Space M. Sh. ShabozovN. U. Kadamshoev Research Articles 23 August 2021 Pages: 248 - 260
On Epsilon-Cores of Cooperative Games with Fuzzy Payoffs A. S. Shvedov Research Articles 23 August 2021 Pages: 261 - 266
Lower Bounds for the Square-to-Linear Ratio for Plane Peano Curves E. V. ShchepinE. Yu. Mychka Research Articles 23 August 2021 Pages: 267 - 272
A Note on Mock Automorphic Forms and the BPS Index T. A. Wong Research Articles 23 August 2021 Pages: 273 - 282
On Entire Solutions of a Class of Second-Order Algebraic Differential Equations A. Ya. Yanchenko Research Articles 23 August 2021 Pages: 283 - 292
Geodesic Mappings of Equiaffine and Ricci Symmetric Spaces V. E. BerezovskiiN. I. GusevaJ. Mikeš Short Communications 23 August 2021 Pages: 293 - 296
Some Properties of Lattice Ordered Rings N. E. Shavgulidze Short Communications 23 August 2021 Pages: 297 - 300
Existence of Monochromatic Simplices of Given Volume in a Colored Rational Lattice V. Z. SharichA. Ya. Kanel’-BelovI. A. Reshetnikov Short Communications 23 August 2021 Pages: 301 - 304
On Commuting Automorphisms of Finite \(p\)-Groups M. SinghR. Garg Short Communications 23 August 2021 Pages: 305 - 308
