OOIR: Observatory of International Research

Papers

(The TQCC of SIAM Journal on Control and Optimization is 4. 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 2021-05-01 to 2025-05-01.)

Article	Citations
Marginal and Dependence Uncertainty: Bounds, Optimal Transport, and Sharpness	164
The Partial Controllability of Linear Stochastic Control Systems with Terminal Constraints and Its Applications to Game-Based Control Systems with Jumps	76
Obstructions to Asymptotic Stabilization	36
Controllability Issues of Linear Ensemble Systems over Multidimensional Parameterization Spaces	31
Convergence Analysis of the Semismooth Newton Method for Sparse Control Problems Governed by Semilinear Elliptic Equations	30
Optimal Bounds for Numerical Approximations of Infinite Horizon Problems Based on Dynamic Programming Approach	24
On Optimal Tracking Portfolio in Incomplete Markets: The Reinforcement Learning Approach	17
Strong Stationarity Conditions for Optimal Control Problems Governed by a Rate-Independent Evolution Variational Inequality	17
Blackwell Optimality and Policy Stability for Long-Run Risk-Sensitive Stochastic Control	17
On Stable Systems with Random Structure	17
Deep Relaxation of Controlled Stochastic Gradient Descent via Singular Perturbations	16
A Game Theory Approach for the Groundwater Pollution Control	16
Semismoothness for Solution Operators of Obstacle-Type Variational Inequalities with Applications in Optimal Control	16
On the Modeling of Impulse Control with Random Effects for Continuous Markov Processes	15
Interior Point Methods in Optimal Control Problems of Affine Systems: Convergence Results and Solving Algorithms	15
The $\mathcal{H}_2$-optimal Control Problem of CSVIU Systems: Discounted, Counterdiscounted, and Long-Run Solutions	14
Stabilization for Wave Equation with Localized Kelvin–Voigt Damping on Cuboidal Domain: A Degenerate Case	14
Reciprocity of Nonlinear Systems	14
Controlling Swarms toward Flocks and Mills	14
Primal-Dual Regression Approach for Markov Decision Processes with General State and Action Spaces	14
Quasilinear Variational Inequalities in Ferromagnetic Shielding: Well-Posedness, Regularity, and Optimal Control	13
An Enhanced Strategy for Adaptive Output-Feedback Control of Uncertain Nonlinear Systems	13
A Constructive Approach to Existence of Equilibria in Time-Inconsistent Stochastic Control Problems	13
A Viscous Ergodic Problem with Unbounded and Measurable Ingredients, Part 1: HJB Equation	12
Learning Stationary Nash Equilibrium Policies in $n$-Player Stochastic Games with Independent Chains	11

The Exact Boundary Controllability of Nodal Profile for Entropy Solutions to 1-D Quasilinear Hyperbolic Systems of Conservation Laws with Linearly Degenerate Negative (Resp., Positive) Characteristic	11
On Borkar and Young Relaxed Control Topologies and Continuous Dependence of Invariant Measures on Control Policy	11
Approximation of Time Optimal Controls for Ginzburg–Landau Equations with Disturbance Coefficients	11
Detectability Conditions and State Estimation for Linear Time-Varying and Nonlinear Systems	11
The Maximality Principle in Singular Control with Absorption and Its Applications to the Dividend Problem	10
Stochastic Modified Flows for Riemannian Stochastic Gradient Descent	10
RBFNN Adaptive Sampled-Data Control for Nonlinear Plants: A Validity Analysis	10
Stabilizability of Strict Convex Processes with Respect to Arbitrary Stability Domains	10
Compactness of Fixed Point Maps and the Ball-Marsden-Slemrod Conjecture	10
Stabilization of Highly Nonlinear Hybrid Stochastic Differential Delay Equations with Lévy Noise by Delay Feedback Control	10
Dynamic Programming Equation for the Mean Field Optimal Stopping Problem	9
Estimation Entropy, Lyapunov Exponents, and Quantizer Design for Switched Linear Systems	9
Optimal Dividend Strategies with Reinsurance under Contagious Systemic Risk	9
Boundary Stabilization of Quasi-linear Hyperbolic Systems with Varying Time-Delay	9
Learning-Ability of Discrete-Time Iterative Learning Control Systems with Feedforward	9
Process-Controllability of Semilinear Evolution Equations and Applications	9
Optimal Ratcheting of Dividend Payout Under Brownian Motion Surplus	9
Two-Sided Singular Control of an Inventory with Unknown Demand Trend	8
Lipschitz Stability and Hadamard Directional Differentiability for Elliptic and Parabolic Obstacle-Type Quasi-variational Inequalities	8
Optimal Switching between Locking Down and Opening the Economy Because of an Infection	8
Relative Controllability of Quaternion Differential Equations with Delay	8
Optimal Control of Port-Hamiltonian Descriptor Systems with Minimal Energy Supply	8
Robust Mean Field Linear Quadratic Social Control: Open-Loop and Closed-Loop Strategies	8
The Role of Asymptomatic Infections in the COVID-19 Epidemic via Complex Networks and Stability Analysis	8
Second-Order Necessary Conditions for Optimal Control Problems with Endpoints-Constraints and Convex Control-Constraints	8
State Estimation with Event Sensors: Observability Analysis and Multi-sensor Fusion	8
Deflating Subspace Approach to UIO Design and Application to Fault-Tolerant Control	8
A Dependence of the Cost of Fast Controls for the Heat Equation on the Support of Initial Datum	8
Kinodynamic Control Systems and Discontinuities in Clearance	8
Slow Decay and Turnpike for Infinite-Horizon Hyperbolic Linear Quadratic Problems	8
Linear Convergence of a Policy Gradient Method for Some Finite Horizon Continuous Time Control Problems	7
Dual-Gain Function Based Prescribed-Time Output Feedback Control Nonlinear Time-Delay Systems	7
Continuous Rendezvous Algorithm for Memoryless Agents with Limited Visibility in the Euclidean Space	7
ERRATUM: LP Formulations of Discrete Time Long-Run Average Optimal Control Problems: The Nonergodic Case	7
Nonparametric Adaptive Robust Control under Model Uncertainty	7
Distributed Adaptive Nonlinear Control with Fusion Least-Squares	7
Exact Controllability for a Refined Stochastic Wave Equation	7
Remarks on the Control of Two-Phase Stefan Free-Boundary Problems	7
Identifiability of Infection Model Parameters Early in an Epidemic	7
Spectral Optimization of Inhomogeneous Plates	7
A Phase-Field Approach to Shape and Topology Optimization of Acoustic Waves in Dissipative Media	7
Switching Controls for Conservative Bilinear Quantum Systems with Discrete Spectrum	7
Turnpike Properties for Mean-Field Linear-Quadratic Optimal Control Problems	7
Fictitious Play in Zero-Sum Stochastic Games	7
From the Optimal Singular Stochastic Control to the Optimal Stopping for Regime-Switching Processes	6
The Structure of Optimal Protocols for a Mathematical Model of Chemotherapy with Antiangiogenic Effects	6
Exponential Stability for a Class of Discrete-Time Switched Systems and Its Applications to Multiagent Systems	6
Proportional Integral Regulation Control of a One-Dimensional Semilinear Wave Equation	6
Distributional Robustness in Minimax Linear Quadratic Control with Wasserstein Distance	6
Stochastic Maximum Principle for Subdiffusions and Its Applications	6

A Small Gain Analysis of Single Timescale Actor Critic	6
Stability and Genericity of Bang-Bang Controls in Affine Problems	6
Stability and Passivity for a Class of Distributed Port-Hamiltonian Networks	6
Output Regulation of Infinite-Dimensional Nonlinear Systems: A Forwarding Approach for Contraction Semigroups	6
State-Dependent Temperature Control for Langevin Diffusions	6
Analysis of RHC for Stabilization of Nonautonomous Parabolic Equations Under Uncertainty	6
Algebraic Conditions to the Uniqueness Theorem for a Coupled System of Wave Equations	6
Shape Optimization of Hemolysis for Shear Thinning Flows in Moving Domains	6
Robust Stability of a Nonlinear ODE-PDE System	6
Markovian Foundations for Quasi-Stochastic Approximation	6
On the Exact Boundary Controllability of Semilinear Wave Equations	6
Revisiting SIR in the Age of COVID-19: Explicit Solutions and Control Problems	6
Propagation of Chaos for Mean Field Schrödinger Problems	5
Global Well-Posedness of the KdV Equation on a Star-Shaped Network and Stabilization by Saturated Controllers	5
Stochastic Fixed-Point Iterations for Nonexpansive Maps: Convergence and Error Bounds	5
An Algorithm for Local Transverse Feedback Linearization	5
Extended Mean Field Games with Singular Controls	5
Existence of Optimal Pairs for Optimal Control Problems with States Constrained to Riemannian Manifolds	5
Risk-Sensitive LQG Discounted Control Problems and Their Asymptotic Behavior	5
Learning Decentralized Linear Quadratic Regulators with ${\sqrt{T}}$ Regret	5
Equilibria for Time-Inconsistent Singular Control Problems	5
Adaptive Test Allocation for Outbreak Detection and Tracking in Social Contact Networks	5
High Contrasting Diffusion in Heisenberg Group: Homogenization of Optimal Control via Unfolding	5
Analysis of the Implicit Euler Time-Discretization of Semiexplicit Differential-Algebraic Linear Complementarity Systems	5
On Markov Perfect Equilibria in Discounted Stochastic ARAT Games	5
A Q-Learning Algorithm for Discrete-Time Linear-Quadratic Control with Random Parameters of Unknown Distribution: Convergence and Stabilization	5
Fractional Backward Stochastic Partial Differential Equations with Applications to Stochastic Optimal Control of Partially Observed Systems Driven by Lévy Processes	5
A Finite Memory Interacting Pólya Contagion Network and Its Approximating Dynamical Systems	5
Impacts of Game-Theoretic Activation on Epidemic Spread over Dynamical Networks	5
A Class of Stochastic Games and Moving Free Boundary Problems	5
The Role of Correlation in Diffusion Control Ranking Games	4
On Higher-Order State Constraints	4
Second Order Systems on Hilbert Spaces with Nonlinear Damping	4
Learning Optimal Policies in Potential Mean Field Games: Smoothed Policy Iteration Algorithms	4
Stationary Markov Nash Equilibria for Nonzero-Sum Constrained ARAT Markov Games	4
On an Approximation of Average Cost per Unit Time Impulse Control of Markov Processes	4
Control of a Linearized Viscous Liquid–Tank System with Surface Tension	4
Subdifferentiation of Nonconvex Sparsity-Promoting Functionals on Lebesgue Spaces	4
Singular Perturbation of Zero-Sum Linear-Quadratic Stochastic Differential Games	4
Backward Stackelberg Differential Game with Constraints: A Mixed Terminal-Perturbation and Linear-Quadratic Approach	4
Average Cost Optimality of Partially Observed MDPs: Contraction of Nonlinear Filters and Existence of Optimal Solutions and Approximations	4
Robustness to Incorrect Priors and Controlled Filter Stability in Partially Observed Stochastic Control	4
Two Sparse Control Strategies for the Delayed Heterogeneous Cucker–Smale Model	4
Vector Control Lyapunov and Barrier Functions for Safe Stabilization of Interconnected Systems	4
Stochastic Linear Quadratic Optimal Control Problems with Regime-Switching Jumps in Infinite Horizon	4
A General Maximum Principle for Optimal Control of Stochastic Differential Delay Systems	4
Second-Order Hamilton–Jacobi PDE Problems and Certain Related First-Order Problems, Part 1: Approximation	4
An Optimal Control Problem with Terminal Stochastic Linear Complementarity Constraints	4
A Stability Dichotomy for Discrete-Time Linear Switching Systems in Dimension Two	4
Phase-Field Topology Optimization with Periodic Microstructure	4
Local Time Pushed Mixed Equilibrium Strategies for Time-Inconsistent Stopping Problems	4
A Mixed Passivity/Small-Gain Theorem for Sobolev Input-Output Stability	4
Quantum Coherent and Measurement Feedback Control Based on Atoms Coupled with a Semi-infinite Waveguide	4
An Optimal Spectral Inequality for Degenerate Operators	4
Stochastic Stabilization of Neutral Stochastic Delay Systems Based on Discrete Observations	4
Input-to-State Stability for Bilinear Feedback Systems	4
Near-Optimal Distributed Linear-Quadratic Regulator for Networked Systems	4
An Irreducible Linear Switching System Whose Unique Barabanov Norm Is Not Strictly Convex	4
Global Optimization via Schrödinger–Föllmer Diffusion	4
Existence of Optimal Control for Nonlinear Fokker–Planck Equations in $\boldsymbol{L^1(\mathbb{R}^d)}$.	4
Continuity Properties of Value Functions in Information Structures for Zero-Sum and General Games and Stochastic Teams	4
Average Cost Minimization Problems Subject to State Constraints	4
Optimal Moral-Hazard-Free Reinsurance Under Extended Distortion Premium Principles	4
Feedforward Neural Networks and Compositional Functions with Applications to Dynamical Systems	4