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 2021-06-01 to 2025-06-01.)

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	15
Transfinite Version of the Program Iteration Method in a Game Problem of Approach for an Abstract Dynamical System	10
Extremal Shift in the Problem of Tracking a Disturbance in a Parabolic Inclusion Describing the Two-Phase Stefan Problem	10
Carnot Algebras and Sub-Riemannian Structures with Growth Vector (2,$$\,$$3,$$\,$$5,$$\,$$6)	7
On One Adjoint Trajectory in Infinite-Horizon Control Problems	7
Jordan Property for the Cremona Group over a Finite Field	7
Quantum Markov Chains on Comb Graphs: Ising Model	7
On the Cessation of Motion in a Problem with Coulomb Friction	7
Problems of Boundary Control and Optimal Control of String Vibrations with Multipoint Intermediate Conditions on the State Functions	7
Bourgain–Morrey Spaces Mixed with Structure of Besov Spaces	6
Modularity of Landau–Ginzburg Models	6
On the Symmetry of a Convex Polyhedron in a Translational Point Multilattice	6
On Local Continuity of Characteristics of Composite Quantum Systems	6
Best $$L^{2}$$-Extension of Algebraic Polynomials from the Unit Euclidean Sphere to a Concentric Sphere	5
Examples of Nonpronormal Relatively Maximal Subgroups of Finite Simple Groups	5
Stable Boundary Control of a Parabolic Equation	5
Periodic Groups with One Finite Nontrivial Sylow 2-Subgroup	5
Comparison and Polyhedral Properties of Valid Inequalities for a Polytope of Schedules for Servicing Identical Requests	4
A Bicomposition of Conical Projections	4
Heights via $$p$$-Adic Points	4
Generalized Coherent States and Random Shift Operators	4
An Isoperimetric Problem on the Lobachevsky Plane with a Left-Invariant Finsler Structure	4
On Lower Semicontinuity of the Quantum Conditional Mutual Information and Its Corollaries	4
The Second Cohomology of Regular Semisimple Hessenberg Varieties from GKM Theory	4
Optimal States of Distributed Exploited Populations with Periodic Impulse Harvesting	4

Andrei Gennad’evich Kulikovskii: On the occasion of his 90th birthday	4
Tunneling in Double-Layer Optical Waveguides as Quantum Walks on Graphs	4
Critical Branching Processes in a Random Environment with Immigration: The Size of the Only Surviving Family	3
Cohomological Rigidity of the Connected Sum of Three Real Projective Spaces	3
Five Lectures on the Life and Work of Academician I. M. Vinogradov	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
Volterra Functional Equations in the Theory of Optimization of Distributed Systems. On the Problem of Singularity of Controlled Initial–Boundary Value Problems	3
On a Quadratic Minimization Problem with Nonuniform Perturbations in the Criteria and Constraints	3
A Holographic Uniqueness Theorem	3
Longitudinal–Torsional Waves in Nonlinear Elastic Rods	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
Solution of a Parabolic Hamilton–Jacobi Type Equation Determined by a Simple Boundary Singularity	3
On Almost Universal Double Fourier Series	3
On Some Properties of Reachable Sets for Nonlinear Systems with Control Constraints in $$L_{p}$$	3
On a Kinematic Proof of the Canonicity of Andoyer Variables	3
Note on the Attraction of an Ellipsoid in a Spherical Universe	3
Interval Exchange Transformations with Vanishing Sah–Arnoux–Fathi Invariant	3
Lie Algebras and Integrable Systems: Elastic Curves and Rolling Geodesics	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
Shape Preserving Conditions for Integro Quadratic Spline Interpolation in the Mean	3
Cohomological Rigidity of Families of Manifolds Associated with Ideal Right-Angled Hyperbolic 3-Polytopes	2
Moment Characteristics of a Random Mapping with Restrictions on Component Sizes	2
Finite Groups with $$\mathbb{P}$$-Subnormal Schmidt Subgroups	2
Unconditional Convergence of General Fourier Series	2
Extended Model of Josephson Junction, Linear Systems with Polynomial Solutions, Determinantal Surfaces, and Painlevé III Equations	2
On the Spectral Gap and the Diameter of Cayley Graphs	2
Lotka–Volterra Competition Model with a Nonmonotone Therapy Function for Finding Optimal Strategies in the Treatment of Blood Cancers	2
Lattice Characterizations of $$p$$-Soluble and $$p$$-Supersoluble Finite Groups	2
Polyhedral Products, Graph Products, and $$p$$-Central Series	2
Qualitative Analysis of the Traction Force of a Rotating Drive Wheel with a Weightless Tire	2
On Graphs in Which the Neighborhoods of Vertices Are Edge-Regular Graphs without 3-Claws	2
On Modeling a Solution of Systems with Constant Delay Using Controlled Models	2
Finite Groups with Hereditarily $$G$$-Permutable Minimal Subgroups	2
Stellar Subdivision and Polyhedral Products	2
Free Vibration Analysis of a Cylindrical Shell of Variable Thickness Partially Filled with Fluid	2
On Some Properties of the Fractional Derivative of the Brownian Local Time	2
On a Complete Basis in the Space of Rotationally Invariant Operators of $$N$$ Quantum Spins $$1/2$$	2
Method of Moments and Sums of Random Indicators	2
On the Method of Penalty Functions for Control Systems with State Constraints under Integral Constraints on the Control	2
On Extreme Points of Sets in Operator Spaces and State Spaces	2
Connecting a Third-Order Singular Arc with Nonsingular Arcs of Optimal Control in a Minimization Problem for a Psoriasis Treatment Model	2
Differential Games in Fractional-Order Systems: Inequalities for Directional Derivatives of the Value Functional	2
Mean-Value Theorem for Multiple Trigonometric Sums on the Sequence of Bell Polynomials	2
Conditional $$L^1$$-Convergence for the Martingale of a Critical Branching Process in Random Environment	2
A Method for Constructing Multiply Closed Strategies in the Problem of Minimizing the Total Control Impulse in a Linear System with Disturbance	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
A Complete Description of the Relative Widths of Sobolev Classes in the Uniform Metric	2

$$\mathbb Z_2$$-Homology of the Orbit Spaces $$G_{n,2}/T^n$$	2
General Implicit Function Theorem for Close Mappings	2
New Results on the Periodicity Problem for Continued Fractions of Elements of Hyperelliptic Fields	2
Nonlinear Effects and Run-up of Coastal Waves Generated by Billiards with Semi-rigid Walls in the Framework of Shallow Water Theory	2
Limit Passage in the Construction of a Geometric Solution: The Case of a Rarefaction Wave	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
Criterion for the Existence of an Energy Function for a Regular Homeomorphism of the 3-Sphere	2
Hypercomplex Models of Multichannel Images	2
On Some Classes of Free Convection Motions	2
Metric on the Space of Quantum Processes	2
On the Minimum of the Wehrl Entropy for a Locally Compact Abelian Group	2
Sergei Aleksandrovich Telyakovskii (A Tribute to His Memory)	2
On Operator Inclusions in Spaces with Vector-Valued Metrics	2
Adaptive Subgradient Methods for Mathematical Programming Problems with Quasiconvex Functions	2
Fejér-Type Iterative Processes in the Constrained Quadratic Minimization Problem	2
Letter to the Editor: Addition to the Paper “On the Convergence Exponent of Trigonometric Integrals”	2
Convective Modulation Instability of the Radiation of the Periodic Component in the Case of Resonance of Long and Short Waves	1
Asset Tokenization and Related Problems	1
Remarks on Sampling Discretization of Integral Norms of Functions	1
On Irregularity of Finite Sequences	1
The Method of Comparison with a Model Equation in the Study of Inclusions in Vector Metric Spaces	1
Fourier Transforms of Convolutions of Functions in Lebesgue and Lorentz Spaces	1
First Hitting Time of a High Level by a Catalytic Branching Walk	1
Alexander Semenovich Holevo: On the occasion of his 80th birthday	1
Simple Invariant Solutions of the Dynamic Equation for a Monatomic Gas	1
The $$L_{p}$$-Boundedness of Some Classes of Pseudo-Differential Operators on the $$m$$-Dimensional Torus	1
Constrained Optimization Criterion for Zirconium Isotope Separation by the Method of Laser-Assisted Retardation of Condensation	1
A Topological–Analytical Method for Proving Averaging Theorems on an Infinite Time Interval in a Degenerate Case	1
Finite-Gap Potentials and Integrable Geodesic Equations on a 2-Surface	1
Intermediately Subcritical Branching Process in a Random Environment: The Initial Stage of the Evolution	1
Bier Spheres and Toric Topology	1
On the Regularity of Characteristic Functions of Weakly Exterior Thick Domains	1
Integro-Differential Equations of Gerasimov Type with Sectorial Operators	1
On a Problem of Impulse Control under Disturbance and Possible Breakdown	1
On the Quasilinearizability of Hyperbolic Monge–Ampère Systems	1
New Examples and Partial Classification of 15-Vertex Triangulations of the Quaternionic Projective Plane	1
On One Approach to Solving an Applied Control Problem with State Constraints	1
Rectangular Diagrams of Giroux Convex Surfaces	1
Continuous Dependence of Sets in a Space of Measures and a Program Minimax Problem	1
A Trajectory Minimizing the Exposure of a Moving Object	1
Homology of the $$M\kern-1pt SU$$ Spectrum	1
On the Problem of Sequential Traversal of Megalopolises with Precedence Conditions and Cost Functions Depending on a List of Tasks	1
Linear and Nonlinear Development of Bending Perturbations in a Fluid-Conveying Pipe with Variable Elastic Properties	1
Topology of Misorientation Spaces	1
Isothermal Coordinates of $$W^{2,2}$$ Immersions: A Counterexample	1
Topology of Ambient Manifolds of Regular Homeomorphisms with Codimension 1 Saddles	1
On the Maximum Guaranteed Payoff in Some Problems of Conflict Control of Multistep Processes	1
Periodic and Solitary Waves and Nondissipative Discontinuity Structures in Electromagnetic Hydrodynamics in the Case of Wave Resonance	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
Quantum Systems with Infinite-Dimensional Coordinate Space and the Fourier Transform	1
Sizes of Trees in a Random Forest and Configuration Graphs	1
On the Coincidence of Gruenberg–Kegel Graphs of an Almost Simple Group and a Nonsolvable Frobenius Group	1
Reidemeister Torsion for Vector Bundles on $$\mathbb{P}^{1}_{\mathbb{Z}}$$	1
Orbits of the Automorphism Group of Horospherical Varieties, and Divisor Class Group	1
Existence of Localized Motions in the Vicinity of an Unstable Equilibrium Position	1
On the Weiss Conjecture. I	1
On Diffeomorphisms with Orientable Codimension 1 Basic Sets and an Isolated Saddle	1
Richardson Method for a Diffusion Equation with Functional Delay	1
The Limiting Distribution of the Hook Length of a Randomly Chosen Cell in a Random Young Diagram	1
Neighborhood of the Second-Order Singular Regime in Problems with Control in a Disk	1
An Optimal Control Problem with a Relaxed State Constraint	1
A Variant of Stechkin’s Problem on the Best Approximation of a Fractional Order Differentiation Operator on the Axis	1
Todd Polynomials and Hirzebruch Numbers	1
$$c_1$$-Cohomological Rigidity for Smooth Toric Fano Varieties of Picard Number Two	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
On Chief Factors of Parabolic Maximal Subgroups of the Group $${}^{2}F_{4}(2^{2n+1})$$	1
Analog of the Hadamard Theorem and Related Extremal Problems on the Class of Analytic Functions	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
On Waves on the Surface of an Unstable Layer of a Viscous Fluid Flowing Down a Curved Surface	1
On the Length of Switching Intervals of a Stable Dynamical System	1
Wigner Measures and Coherent Quantum Control	1
Assimilation of Boundary Data for Reconstructing the Absorption Coefficient in a Model of Stationary Reaction–Convection–Diffusion	1
The Method of Quasi-Solutions Based on Barrier Functions in the Analysis of Improper Convex Programs	1
Convergence of the Algorithm of Additive Regularization of Topic Models	1
On Jensen Gap and Capacity of a Shifted Depolarizing Quantum Channel	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