Volume 62, issue 4, July 2021

18 articles in this issue

Some Remarks on High Degree Polynomial Integrals of the Magnetic Geodesic Flow on the Two-Dimensional Torus

Authors
- S. V. Agapov
- A. A. Valyuzhenich
- V. V. Shubin
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 581 - 585
Separated Lattices of Multiply \( \sigma \)-Local Formations

Authors
- N. N. Vorob’ev
- I. I. Staselka
- A. Hojagulyyev
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 586 - 597
Horizontal Joinability in Canonical 3-Step Carnot Groups with Corank 2 Horizontal Distributions

Authors
- A. V. Greshnov
- R. I. Zhukov
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 598 - 606
On Unconditional and Absolute Convergence of the Haar Series in the Metric of \( L^{p}[0,1] \) with \( 0<p<1 \)

Authors
- M. G. Grigoryan
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 607 - 615
The Subspace of Almost Convergent Sequences

Authors
- R. E. Zvolinskii
- E. M. Semenov
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 616 - 620
Intersections of Three Nilpotent Subgroups in a Finite Group

Authors
- V. I. Zenkov
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 621 - 637
A One-Parametric Method for Determining Parameters in the Schwarz–Christoffel Integral

Authors
- I. A. Kolesnikov
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 638 - 653
On a Lemma Arising in the Solution of Waring’s Problem

Authors
- S. V. Konyagin
- V. Yu. Protasov
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 654 - 656
About the Limit Spectra of Some Unbounded Selfadjoint Integral Operators

Authors
- V. B. Korotkov
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 657 - 660
Refinement of the Relations between Mixed Smoothness Moduli in \( L_{1} \) and \( L_{q} \) Metrics

Authors
- M. K. Potapov
- B. V. Simonov
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 661 - 677
Central Isotopes of \( (-1,1) \)-Algebras

Authors
- S. V. Pchelintsev
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 678 - 690
Intrinsic Geometry and Boundary Structure of Plane Domains

Authors
- O. Rainio
- T. Sugawa
- M. Vuorinen
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 691 - 706
On the Isomorphism of Sobolev-Type Classes on Metric Spaces

Authors
- A. S. Romanov
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 707 - 718
The Root-Class Residuality of the Fundamental Groups of Graphs of Groups

Authors
- E. V. Sokolov
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 719 - 729
Interval Extensions of Orders and Temporal Approximation Spaces

Authors
- A. I. Stukachev
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 730 - 741
On the Decomposition of Partially Commutative Groups of Varieties and Their Defining Graphs

Authors
- E. I. Timoshenko
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 742 - 746
A Multivalued History-Dependent Operator and Implicit Evolution Inclusions. II

Authors
- A. A. Tolstonogov
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 747 - 762
A Separation Property of the Observer-Based Stabilizing Controller for Linear Delay Systems

Authors
- G. D. Hu
- Content type: OriginalPaper
- Published: 01 July 2021
- Pages: 763 - 772

Volume 62, issue 4, July 2021

Some Remarks on High Degree Polynomial Integrals of the Magnetic Geodesic Flow on the Two-Dimensional Torus

Separated Lattices of Multiply \( \sigma \)-Local Formations

Horizontal Joinability in Canonical 3-Step Carnot Groups with Corank 2 Horizontal Distributions

On Unconditional and Absolute Convergence of the Haar Series in the Metric of \( L^{p}[0,1] \) with \( 0<p<1 \)

The Subspace of Almost Convergent Sequences

Intersections of Three Nilpotent Subgroups in a Finite Group

A One-Parametric Method for Determining Parameters in the Schwarz–Christoffel Integral

On a Lemma Arising in the Solution of Waring’s Problem

About the Limit Spectra of Some Unbounded Selfadjoint Integral Operators

Refinement of the Relations between Mixed Smoothness Moduli in \( L_{1} \) and \( L_{q} \) Metrics

Central Isotopes of \( (-1,1) \)-Algebras

Intrinsic Geometry and Boundary Structure of Plane Domains

On the Isomorphism of Sobolev-Type Classes on Metric Spaces

The Root-Class Residuality of the Fundamental Groups of Graphs of Groups

Interval Extensions of Orders and Temporal Approximation Spaces

On the Decomposition of Partially Commutative Groups of Varieties and Their Defining Graphs

A Multivalued History-Dependent Operator and Implicit Evolution Inclusions. II

A Separation Property of the Observer-Based Stabilizing Controller for Linear Delay Systems

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