OOIR: Observatory of International Research

Papers

(The TQCC of Proceedings of the Steklov Institute of Mathematics is 1. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-08-01 to 2025-08-01.)

Article	Citations
On an Element-by-Element Description of the Monoid of all Endomorphisms of an Arbitrary Groupoid and One Classification of Endomorphisms of a Groupoid	9
Problems of Boundary Control and Optimal Control of String Vibrations with Multipoint Intermediate Conditions on the State Functions	8
Transfinite Version of the Program Iteration Method in a Game Problem of Approach for an Abstract Dynamical System	8
Bourgain–Morrey Spaces Mixed with Structure of Besov Spaces	7
Carnot Algebras and Sub-Riemannian Structures with Growth Vector (2,$$\,$$3,$$\,$$5,$$\,$$6)	7
On One Adjoint Trajectory in Infinite-Horizon Control Problems	7
Extremal Shift in the Problem of Tracking a Disturbance in a Parabolic Inclusion Describing the Two-Phase Stefan Problem	7
On the Cessation of Motion in a Problem with Coulomb Friction	6
Jordan Property for the Cremona Group over a Finite Field	6
On Local Continuity of Characteristics of Composite Quantum Systems	5
On the Symmetry of a Convex Polyhedron in a Translational Point Multilattice	5
Modularity of Landau–Ginzburg Models	5
Stable Boundary Control of a Parabolic Equation	4
A Bicomposition of Conical Projections	4
Generalized Coherent States and Random Shift Operators	4
Optimal States of Distributed Exploited Populations with Periodic Impulse Harvesting	4
The Second Cohomology of Regular Semisimple Hessenberg Varieties from GKM Theory	4
Heights via $$p$$-Adic Points	4
Periodic Groups with One Finite Nontrivial Sylow 2-Subgroup	4
Andrei Gennad’evich Kulikovskii: On the occasion of his 90th birthday	4
An Isoperimetric Problem on the Lobachevsky Plane with a Left-Invariant Finsler Structure	4
A Holographic Uniqueness Theorem	3
A Criterion for the Existence of Nondestructive Controls in the Problem of Optimal Exploitation of a Binary-Structured System	3
Extensibility of Solutions of Nonautonomous Systems of Quadratic Differential Equations and Their Application in Optimal Control Problems	3
On a Kinematic Proof of the Canonicity of Andoyer Variables	3

Comparison and Polyhedral Properties of Valid Inequalities for a Polytope of Schedules for Servicing Identical Requests	3
Examples of Nonpronormal Relatively Maximal Subgroups of Finite Simple Groups	3
Interval Exchange Transformations with Vanishing Sah–Arnoux–Fathi Invariant	3
Longitudinal–Torsional Waves in Nonlinear Elastic Rods	3
Volterra Functional Equations in the Theory of Optimization of Distributed Systems. On the Problem of Singularity of Controlled Initial–Boundary Value Problems	3
Shape Preserving Conditions for Integro Quadratic Spline Interpolation in the Mean	3
Critical Branching Processes in a Random Environment with Immigration: The Size of the Only Surviving Family	3
Note on the Attraction of an Ellipsoid in a Spherical Universe	3
Cohomological Rigidity of the Connected Sum of Three Real Projective Spaces	3
On the Continuity of the Optimal Time As a Function of the Initial State for Linear Controlled Objects with Integral Constraints on Controls	3
Solution of a Parabolic Hamilton–Jacobi Type Equation Determined by a Simple Boundary Singularity	3
On Almost Universal Double Fourier Series	3
Lie Algebras and Integrable Systems: Elastic Curves and Rolling Geodesics	3
Five Lectures on the Life and Work of Academician I. M. Vinogradov	3
On the Genealogical Structure of Critical Branching Processes in a Varying Environment	3
Assimilating Data on the Location of the Free Surface of a Fluid Flow to Determine Its Viscosity	3
Metric on the Space of Quantum Processes	2
Control of Acceleration of a Dynamic Object by the Modified Linear Tangent Law in the Presence of a State Constraint	2
Young Duality of Variational Inequalities. An Application for the Analysis of Interactions in Production Networks	2
$$\mathbb Z_2$$-Homology of the Orbit Spaces $$G_{n,2}/T^n$$	2
New Results on the Periodicity Problem for Continued Fractions of Elements of Hyperelliptic Fields	2
General Implicit Function Theorem for Close Mappings	2
Limit Passage in the Construction of a Geometric Solution: The Case of a Rarefaction Wave	2
Lattice Characterizations of $$p$$-Soluble and $$p$$-Supersoluble Finite Groups	2
Mean-Value Theorem for Multiple Trigonometric Sums on the Sequence of Bell Polynomials	2
On the Spectral Gap and the Diameter of Cayley Graphs	2
Nonlinear Effects and Run-up of Coastal Waves Generated by Billiards with Semi-rigid Walls in the Framework of Shallow Water Theory	2
On Some Properties of Reachable Sets for Nonlinear Systems with Control Constraints in $$L_{p}$$	2
On Constants in the Bernstein–Szegő Inequality for the Weyl Derivative of Order Less Than Unity of Trigonometric Polynomials and Entire Functions of Exponential Type in the Uniform Norm	2
Lotka–Volterra Competition Model with a Nonmonotone Therapy Function for Finding Optimal Strategies in the Treatment of Blood Cancers	2
On Operator Inclusions in Spaces with Vector-Valued Metrics	2
Unconditional Convergence of General Fourier Series	2
Letter to the Editor: Addition to the Paper “On the Convergence Exponent of Trigonometric Integrals”	2
Finite Groups with $$\mathbb{P}$$-Subnormal Schmidt Subgroups	2
Moment Characteristics of a Random Mapping with Restrictions on Component Sizes	2
Cohomological Rigidity of Families of Manifolds Associated with Ideal Right-Angled Hyperbolic 3-Polytopes	2
Polyhedral Products, Graph Products, and $$p$$-Central Series	2
Fejér-Type Iterative Processes in the Constrained Quadratic Minimization Problem	2
On Some Properties of the Fractional Derivative of the Brownian Local Time	2
On Extreme Points of Sets in Operator Spaces and State Spaces	2
Criterion for the Existence of an Energy Function for a Regular Homeomorphism of the 3-Sphere	2
On a Quadratic Minimization Problem with Nonuniform Perturbations in the Criteria and Constraints	2
Finite Groups with Hereditarily $$G$$-Permutable Minimal Subgroups	2
On Graphs in Which the Neighborhoods of Vertices Are Edge-Regular Graphs without 3-Claws	2
On Some Classes of Free Convection Motions	2
Stellar Subdivision and Polyhedral Products	2
On Modeling a Solution of Systems with Constant Delay Using Controlled Models	2
Free Vibration Analysis of a Cylindrical Shell of Variable Thickness Partially Filled with Fluid	2
Method of Moments and Sums of Random Indicators	2
Differential Games in Fractional-Order Systems: Inequalities for Directional Derivatives of the Value Functional	2

Conditional $$L^1$$-Convergence for the Martingale of a Critical Branching Process in Random Environment	2
On the Method of Penalty Functions for Control Systems with State Constraints under Integral Constraints on the Control	2
Extended Model of Josephson Junction, Linear Systems with Polynomial Solutions, Determinantal Surfaces, and Painlevé III Equations	2
Connecting a Third-Order Singular Arc with Nonsingular Arcs of Optimal Control in a Minimization Problem for a Psoriasis Treatment Model	2
A Complete Description of the Relative Widths of Sobolev Classes in the Uniform Metric	2
Topology of Misorientation Spaces	1
Convergence of the Algorithm of Additive Regularization of Topic Models	1
On Waves on the Surface of an Unstable Layer of a Viscous Fluid Flowing Down a Curved Surface	1
Existence of Localized Motions in the Vicinity of an Unstable Equilibrium Position	1
Neighborhood of the Second-Order Singular Regime in Problems with Control in a Disk	1
An Inequality for the Compositions of Convex Functions with Convolutions and an Alternative Proof of the Brunn–Minkowski–Kemperman Inequality	1
Finite-Gap Potentials and Integrable Geodesic Equations on a 2-Surface	1
Linear and Nonlinear Development of Bending Perturbations in a Fluid-Conveying Pipe with Variable Elastic Properties	1
A Topological–Analytical Method for Proving Averaging Theorems on an Infinite Time Interval in a Degenerate Case	1
Bier Spheres and Toric Topology	1
Isothermal Coordinates of $$W^{2,2}$$ Immersions: A Counterexample	1
Lower Bound on the Minimum Modulus of an Analytic Function on a Circle in Terms of a Negative Power of Its Norm on a Larger Circle	1
New Examples and Partial Classification of 15-Vertex Triangulations of the Quaternionic Projective Plane	1
On the Regularity of Characteristic Functions of Weakly Exterior Thick Domains	1
A Method for Constructing Multiply Closed Strategies in the Problem of Minimizing the Total Control Impulse in a Linear System with Disturbance	1
On a Problem of Impulse Control under Disturbance and Possible Breakdown	1
Remarks on Sampling Discretization of Integral Norms of Functions	1
On One Approach to Solving an Applied Control Problem with State Constraints	1
On the Problem of Sequential Traversal of Megalopolises with Precedence Conditions and Cost Functions Depending on a List of Tasks	1
Continuous Dependence of Sets in a Space of Measures and a Program Minimax Problem	1
On Jensen Gap and Capacity of a Shifted Depolarizing Quantum Channel	1
Sergei Aleksandrovich Telyakovskii (A Tribute to His Memory)	1
Convective Modulation Instability of the Radiation of the Periodic Component in the Case of Resonance of Long and Short Waves	1
Analog of the Hadamard Theorem and Related Extremal Problems on the Class of Analytic Functions	1
The $$L_{p}$$-Boundedness of Some Classes of Pseudo-Differential Operators on the $$m$$-Dimensional Torus	1
Central Extensions of Lie Algebras, Dynamical Systems, and Symplectic Nilmanifolds	1
A Map Approximating the Phase Flow in the Problem of Attitude Motion of Celestial Bodies	1
Luzin’s Problem on Fourier Convergence and Homeomorphisms	1
On the Coincidence of Gruenberg–Kegel Graphs of an Almost Simple Group and a Nonsolvable Frobenius Group	1
$$c_1$$-Cohomological Rigidity for Smooth Toric Fano Varieties of Picard Number Two	1
Structures of Classical and Special Discontinuities for the Generalized Korteweg–de Vries–Burgers Equation in the Case of a Flux Function with Four Inflection Points	1
Front Asymptotics of a Flat Sub-Riemannian Structure on the Engel Distribution	1
Intermediately Subcritical Branching Process in a Random Environment: The Initial Stage of the Evolution	1
On the Length of Switching Intervals of a Stable Dynamical System	1
Reidemeister Torsion for Vector Bundles on $$\mathbb{P}^{1}_{\mathbb{Z}}$$	1
Rectangular Diagrams of Giroux Convex Surfaces	1
On the Weiss Conjecture. I	1
An Optimal Control Problem with a Relaxed State Constraint	1
Asset Tokenization and Related Problems	1
Todd Polynomials and Hirzebruch Numbers	1
A Variant of Stechkin’s Problem on the Best Approximation of a Fractional Order Differentiation Operator on the Axis	1
On the Minimum of the Wehrl Entropy for a Locally Compact Abelian Group	1
Adaptive Subgradient Methods for Mathematical Programming Problems with Quasiconvex Functions	1
Simple Invariant Solutions of the Dynamic Equation for a Monatomic Gas	1
Orbits of the Automorphism Group of Horospherical Varieties, and Divisor Class Group	1
Homology of the $$M\kern-1pt SU$$ Spectrum	1
Integro-Differential Equations of Gerasimov Type with Sectorial Operators	1
Periodic and Solitary Waves and Nondissipative Discontinuity Structures in Electromagnetic Hydrodynamics in the Case of Wave Resonance	1
Fourier Transforms of Convolutions of Functions in Lebesgue and Lorentz Spaces	1
On the Pringsheim Convergence of a Subsequence of Partial Sums of a Fourier Trigonometric Series	1
On the Quasilinearizability of Hyperbolic Monge–Ampère Systems	1
Alexander Semenovich Holevo: On the occasion of his 80th birthday	1
Classification of Degenerations of Codimension $${\le}\,5$$ and Their Picard Lattices for Kählerian K3 Surfaces with the Symplectic Automorphism Group $$(C_2)^2$$	1
Assimilation of Boundary Data for Reconstructing the Absorption Coefficient in a Model of Stationary Reaction–Convection–Diffusion	1
Sizes of Trees in a Random Forest and Configuration Graphs	1
On Diffeomorphisms with Orientable Codimension 1 Basic Sets and an Isolated Saddle	1
The Method of Quasi-Solutions Based on Barrier Functions in the Analysis of Improper Convex Programs	1
The Limiting Distribution of the Hook Length of a Randomly Chosen Cell in a Random Young Diagram	1
Topology of Ambient Manifolds of Regular Homeomorphisms with Codimension 1 Saddles	1
The Method of Comparison with a Model Equation in the Study of Inclusions in Vector Metric Spaces	1
Richardson Method for a Diffusion Equation with Functional Delay	1
First Hitting Time of a High Level by a Catalytic Branching Walk	1
On Irregularity of Finite Sequences	1
Qualitative Analysis of the Traction Force of a Rotating Drive Wheel with a Weightless Tire	1