Measurement of Broadband Dielectric Properties of Cyclohexane, Chlorobenzene, 10% Formalin, and 1, 4-Dioxane Using Dispersive Fourier Transform Spectroscopy. - Usman A. Khan; Mohammed N. Afsar (IEEE Trans. Instrum. Meas., 2007)

A linear iterative algorithm for distributed sensor localization. - Usman A. Khan; Soummya Kar; José M. F. Moura (ACSCC, 2008)

Distributed sensor localization in Euclidean spaces: Dynamic environments. - Usman A. Khan; Soummya Kar; Bruno Sinopoli; José M. F. Moura (Allerton, 2008)

Distributed iterate-collapse inversion (DICI) algorithm for L-banded matrices. - Usman A. Khan; José M. F. Moura (ICASSP, 2008)

Millimeter- and Submillimeter-Wave Dielectric Measurements of Household Powders Using Fourier Transform Spectroscopy. - Usman A. Khan; Nicholas Nguyen; Mohammed N. Afsar (IEEE Trans. Instrum. Meas., 2008)

Distributing the Kalman Filter for Large-Scale Systems. - Usman A. Khan; José M. F. Moura (IEEE Trans. Signal Process., 2008)

Distributed localization and tracking with coordinated and uncoordinated motion models. - Usman A. Khan; Soummya Kar; José M. F. Moura (Allerton, 2009)

Higher dimensional consensus algorithms in sensor networks. - Usman A. Khan; Soummya Kar; José M. F. Moura (ICASSP, 2009)

Distributed sensor localization in random environments using minimal number of anchor nodes. - Usman A. Khan; Soummya Kar; José M. F. Moura (IEEE Trans. Signal Process., 2009)

On connectivity, observability, and stability in distributed estimation. - Usman A. Khan; Soummya Kar; Ali Jadbabaie; José M. F. Moura (CDC, 2010)

Designing the parameters of high dimensional consensus: Multi-objective optimization and pareto-optimality. - Usman A. Khan; Soummya Kar; José M. F. Moura (ICASSP, 2010)

Modeling of Future Cyber-Physical Energy Systems for Distributed Sensing and Control. - Marija D. Ilic; Le Xie 001; Usman A. Khan; José M. F. Moura (IEEE Trans. Syst. Man Cybern. Part A, 2010)

DILAND: an algorithm for distributed sensor localization with noisy distance measurements. - Usman A. Khan; Soummya Kar; José M. F. Moura (IEEE Trans. Signal Process., 2010)

Higher dimensional consensus: learning in large-scale networks. - Usman A. Khan; Soummya Kar; José M. F. Moura (IEEE Trans. Signal Process., 2010)

Communication strategies to ensure generic networked observability in multi-agent systems. - Mohammadreza Doostmohammadian; Usman A. Khan (ACSCC, 2011)

A coordination-free distributed algorithm for simple assignment problems using randomized actions. - Usman A. Khan; Soummya Kar (ACSCC, 2011)

On the stability and optimality of distributed Kalman filters with finite-time data fusion. - Usman A. Khan; Ali Jadbabaie (ACC, 2011)

A sensor placement and network design paradigm for future smart grids. - Usman A. Khan; Mohammadreza Doostmohammadian (CAMSAP, 2011)

Coordinated networked estimation strategies using structured systems theory. - Usman A. Khan; Ali Jadbabaie (CDC/ECC, 2011)

Networked estimation under information constraints - Usman A. Khan; Ali Jadbabaie (CoRR, 2011)

Coordinated randomness in sparse graphs. - Usman A. Khan (Allerton Conference, 2012)

A distributed self-clustering algorithm for autonomous multi-agent systems. - Victor L. Minden; Clifford C. Youn; Usman A. Khan (Allerton Conference, 2012)

On the genericity properties in networked estimation: Topology design and sensor placement - Mohammadreza Doostmohammadian; Usman A. Khan (CoRR, 2012)

Topology design in networked estimation: A generic approach. - Mohammadreza Doostmohammadian; Usman A. Khan (ACC, 2013)

A decentralized algorithm for the preferred assignment problem in multi-agent systems. - Usman A. Khan; Soummya Kar (ECC, 2013)

Source localization in complex networks using a frequency-domain approach. - Chenguang Xi; Usman A. Khan (GlobalSIP, 2013)

On the distributed estimation of rank-deficient dynamical systems: A generic approach. - Mohammadreza Doostmohammadian; Usman A. Khan (ICASSP, 2013)

Secure distributed estimation in cyber-physical systems. - Usman A. Khan; Aleksandar M. Stankovic (ICASSP, 2013)

Consensus in the presence of interference. - Usman A. Khan; Shuchin Aeron (CoRR, 2013)

On the Genericity Properties in Distributed Estimation: Topology Design and Sensor Placement. - Mohammadreza Doostmohammadian; Usman A. Khan (IEEE J. Sel. Top. Signal Process., 2013)

Vulnerability of CPS inference to DoS attacks. - Mohammadreza Doostmohammadian; Usman A. Khan (ACSSC, 2014)

On the convergence rate of swap-collide algorithm for simple task assignment. - Sam Safavi; Usman A. Khan (ACSSC, 2014)

On the impact of low-rank interference on distributed multi-agent optimization. - Chenguang Xi; Usman A. Khan (ACSSC, 2014)

On the characterization of distributed observability from first principles. - Mohammadreza Doostmohammadian; Usman A. Khan (GlobalSIP, 2014)

Information alignment for consensus with interference. - Usman A. Khan; Shuchin Aeron (ICASSP, 2014)

Distributed algorithm for shortest path problem via randomized strategy. - Mohammadreza Doostmohammadian; Sepideh Pourazarm; Usman A. Khan (ICNSC, 2014)

Scalar-gain distributed estimators for Hermitian systems. - Usman A. Khan (SAM, 2014)

Distributed averaging in the presence of interference. - Usman A. Khan; Shuchin Aeron (ISCCSP, 2014)

Collaborative scalar-gain estimators for potentially unstable social dynamics with limited communication. - Usman A. Khan; Ali Jadbabaie (Autom., 2014)

Graphic-theoretic distributed inference in social networks. - Mohammadreza Doostmohammadian; Usman A. Khan (CoRR, 2014)

Asymptotic stability of stochastic LTV systems with applications to distributed dynamic fusion. - Sam Safavi; Usman A. Khan (CoRR, 2014)

Graph-Theoretic Distributed Inference in Social Networks. - Mohammadreza Doostmohammadian; Usman A. Khan (IEEE J. Sel. Top. Signal Process., 2014)

Directed-Distributed Gradient Descent. - Chenguang Xi; Usman A. Khan (Allerton, 2015)

An H∞-based approach for robust sensor localization. - Usman A. Khan; Anton Korniienko; Karl Henrik Johansson (CDC, 2015)

Dynamic leader-follower algorithms in mobile multi-agent networks. - Sam Safavi; Usman A. Khan (DSP, 2015)

Linear Theory for Self-Localization: Convexity, Barycentric Coordinates, and Cayley-Menger Determinants. - Usman A. Khan; Soummya Kar; José M. F. Moura (IEEE Access, 2015)

Localization and tracking in mobile networks: Virtual convex hulls and beyond. - Sam Safavi; Usman A. Khan (CoRR, 2015)

Revisiting Finite-Time Distributed Algorithms via Successive Nulling of Eigenvalues. - Sam Safavi; Usman A. Khan (IEEE Signal Process. Lett., 2015)

Leader-Follower Consensus in Mobile Sensor Networks. - Sam Safavi; Usman A. Khan (IEEE Signal Process. Lett., 2015)

A distributed range-based algorithm for localization in mobile networks. - Sam Safavi; Usman A. Khan (ACSSC, 2016)

Robust sensor localization with locally-computed, global H∞-design. - Anton Korniienko; Usman A. Khan; Gérard Scorletti (ACC, 2016)

Unbounded connectivity: Asymptotic stability criteria for stochastic LTV systems. - Sam Safavi; Usman A. Khan (ACC, 2016)

Fast distributed optimization over directed graphs. - Chenguang Xi; Qiong Wu; Usman A. Khan (ACC, 2016)

On the convergence of time-varying fusion algorithms: Application to localization in dynamic networks. - Sam Safavi; Usman A. Khan (CDC, 2016)

Distributed dynamic optimization over directed graphs. - Chenguang Xi; Usman A. Khan (CDC, 2016)

Measurement partitioning and observational equivalence in state estimation. - Mohammadreza Doostmohammadian; Usman A. Khan (ICASSP, 2016)

Distributed Subspace Consensus in the Presence of Dynamic In-Network Disturbance. - Usman A. Khan; Shuchin Aeron (IEEE Trans. Control. Netw. Syst., 2016)

Optimization over directed graphs: Linear convergence rate. - Chenguang Xi; Usman A. Khan (ICASSP, 2017)

On the distributed optimization over directed networks. - Chenguang Xi; Qiong Wu; Usman A. Khan (Neurocomputing, 2017)

Distributed Estimation Recovery Under Sensor Failure. - Mohammadreza Doostmohammadian; Hamid R. Rabiee; Houman Zarrabi; Usman A. Khan (IEEE Signal Process. Lett., 2017)

Asymptotic Stability of LTV Systems With Applications to Distributed Dynamic Fusion. - Sam Safavi; Usman A. Khan (IEEE Trans. Autom. Control., 2017)

Distributed Subgradient Projection Algorithm Over Directed Graphs. - Chenguang Xi; Usman A. Khan (IEEE Trans. Autom. Control., 2017)

DEXTRA: A Fast Algorithm for Optimization Over Directed Graphs. - Chenguang Xi; Usman A. Khan (IEEE Trans. Autom. Control., 2017)

An Opportunistic Linear-Convex Algorithm for Localization in Mobile Robot Networks. - Sam Safavi; Usman A. Khan (IEEE Trans. Robotics, 2017)

Product adoption in heterogeneous networks: An epidemiological perspective. - Fakhteh Saadatniaki; Usman A. Khan (ACSSC, 2018)

Subgradient Projection Over Directed Graphs Using Surplus Consensus. - Ran Xin; Chenguang Xi; Usman A. Khan (DSW, 2018)

On the input-output approach towards distributed estimation. - Fakhteh Saadatniaki; Anton Korniienko; Gérard Scorletti; Usman A. Khan (ECC, 2018)

Linear Distributed Algorithms For Localization In Mobile Networks. - Sam Safavi; Usman A. Khan; Soummya Kar; José M. F. Moura (SSP, 2018)

Localization in internets of mobile agents: A linear approach. - Sam Safavi; Usman A. Khan; Soummya Kar; José M. F. Moura (CoRR, 2018)

A Linear Algorithm for Optimization Over Directed Graphs With Geometric Convergence. - Ran Xin; Usman A. Khan (IEEE Control. Syst. Lett., 2018)

Distributed Localization: A Linear Theory. - Sam Safavi; Usman A. Khan; Soummya Kar; José M. F. Moura (Proc. IEEE, 2018)

Structural Cost-Optimal Design of Sensor Networks for Distributed Estimation. - Mohammadreza Doostmohammadian; Hamid R. Rabiee; Usman A. Khan (IEEE Signal Process. Lett., 2018)

Linear Convergence in Optimization Over Directed Graphs With Row-Stochastic Matrices. - Chenguang Xi; Van Sy Mai; Ran Xin; Eyad H. Abed; Usman A. Khan (IEEE Trans. Autom. Control., 2018)

ADD-OPT: Accelerated Distributed Directed Optimization. - Chenguang Xi; Ran Xin; Usman A. Khan (IEEE Trans. Autom. Control., 2018)

Observational Equivalence in System Estimation: Contractions in Complex Networks. - Mohammadreza Doostmohammadian; Hamid R. Rabiee; Houman Zarrabi; Usman A. Khan (IEEE Trans. Netw. Sci. Eng., 2018)

Localization in Mobile Networks via Virtual Convex Hulls. - Sam Safavi; Usman A. Khan (IEEE Trans. Signal Inf. Process. over Networks, 2018)

Distributed empirical risk minimization over directed graphs. - Ran Xin; Anit Kumar Sahu; Soummya Kar; Usman A. Khan (ACSSC, 2019)

Distributed stochastic optimization with gradient tracking over strongly-connected networks. - Ran Xin; Anit Kumar Sahu; Usman A. Khan; Soummya Kar (CDC, 2019)

Distributed Training with Mobile Agents: Optimization Over Dynamic Directed Graphs. - Fakhteh Saadatniaki; Ran Xin; Usman A. Khan (DSW, 2019)

On the Controllability of Clustered Scale-Free Networks. - Mohammadreza Doostmohammadian; Usman A. Khan (CoRR, 2019)

Decentralized Stochastic First-Order Methods for Large-scale Machine Learning. - Ran Xin; Soummya Kar; Usman A. Khan (CoRR, 2019)

Variance-Reduced Decentralized Stochastic Optimization with Gradient Tracking - Part II: GT-SVRG. - Ran Xin; Usman A. Khan; Soummya Kar (CoRR, 2019)

FROST - Fast row-stochastic optimization with uncoordinated step-sizes. - Ran Xin; Chenguang Xi; Usman A. Khan (EURASIP J. Adv. Signal Process., 2019)

Distributed Nesterov Gradient Methods Over Arbitrary Graphs. - Ran Xin; Dusan Jakovetic; Usman A. Khan (IEEE Signal Process. Lett., 2019)

GT-SAGA: A fast incremental gradient method for decentralized finite-sum minimization. - Ran Xin; Boyue Li; Soummya Kar; Usman A. Khan (CDC, 2020)

Gradient tracking and variance reduction for decentralized optimization and machine learning. - Ran Xin; Soummya Kar; Usman A. Khan (CoRR, 2020)

A near-optimal stochastic gradient method for decentralized non-convex finite-sum optimization. - Ran Xin; Usman A. Khan; Soummya Kar (CoRR, 2020)

A fast randomized incremental gradient method for decentralized non-convex optimization. - Ran Xin; Usman A. Khan; Soummya Kar (CoRR, 2020)

Optimization for Data-Driven Learning and Control. - Usman A. Khan; Waheed U. Bajwa; Angelia Nedic; Michael G. Rabbat; Ali H. Sayed (Proc. IEEE, 2020)

A General Framework for Decentralized Optimization With First-Order Methods. - Ran Xin; Shi Pu 004; Angelia Nedic; Usman A. Khan (Proc. IEEE, 2020)

Cyber-Social Systems: Modeling, Inference, and Optimal Design. - Mohammadreza Doostmohammadian; Hamid R. Rabiee; Usman A. Khan (IEEE Syst. J., 2020)

Centrality-based epidemic control in complex social networks. - Mohammadreza Doostmohammadian; Hamid R. Rabiee; Usman A. Khan (Soc. Netw. Anal. Min., 2020)

Decentralized Stochastic Optimization and Machine Learning: A Unified Variance-Reduction Framework for Robust Performance and Fast Convergence. - Ran Xin; Soummya Kar; Usman A. Khan (IEEE Signal Process. Mag., 2020)

Decentralized Optimization Over Time-Varying Directed Graphs With Row and Column-Stochastic Matrices. - Fakhteh Saadatniaki; Ran Xin; Usman A. Khan (IEEE Trans. Autom. Control., 2020)

Distributed Heavy-Ball: A Generalization and Acceleration of First-Order Methods With Gradient Tracking. - Ran Xin; Usman A. Khan (IEEE Trans. Autom. Control., 2020)

On the Complexity of Minimum-Cost Networked Estimation of Self-Damped Dynamical Systems. - Mohammadreza Doostmohammadian; Usman A. Khan (IEEE Trans. Netw. Sci. Eng., 2020)

Minimal Sufficient Conditions for Structural Observability/Controllability of Composite Networks via Kronecker Product. - Mohammadreza Doostmohammadian; Usman A. Khan (IEEE Trans. Signal Inf. Process. over Networks, 2020)

Variance-Reduced Decentralized Stochastic Optimization With Accelerated Convergence. - Ran Xin; Usman A. Khan; Soummya Kar (IEEE Trans. Signal Process., 2020)

A Decentralized Variance-Reduced Method for Stochastic Optimization Over Directed Graphs. - Muhammad I. Qureshi; Ran Xin; Soummya Kar; Usman A. Khan (ICASSP, 2021)

A Hybrid Variance-Reduced Method for Decentralized Stochastic Non-Convex Optimization. - Ran Xin; Usman A. Khan; Soummya Kar (ICML, 2021)

Delay-Tolerant Consensus-based Distributed Estimation: Full-Rank Systems with Potentially Unstable Dynamics. - Mohammadreza Doostmohammadian; Usman A. Khan; Themistoklis Charalambous (CoRR, 2021)

Distributed support-vector-machine over dynamic balanced directed networks. - Mohammadreza Doostmohammadian; Alireza Aghasi; Themistoklis Charalambous; Usman A. Khan (CoRR, 2021)

Simultaneous Distributed Estimation and Attack Detection/Isolation in Social Networks: Structural Observability, Kronecker-Product Network, and Chi-Square Detector. - Mohammadreza Doostmohammadian; Themistoklis Charalambous; Miadreza Shafie-khah; Nader Meskin; Usman A. Khan (CoRR, 2021)

Analysis of Contractions in System Graphs: Application to State Estimation. - Mohammadreza Doostmohammadian; Themistoklis Charalambous; Miadreza Shafie-khah; Hamid R. Rabiee; Usman A. Khan (CoRR, 2021)

S-ADDOPT: Decentralized Stochastic First-Order Optimization Over Directed Graphs. - Muhammad I. Qureshi; Ran Xin; Soummya Kar; Usman A. Khan (IEEE Control. Syst. Lett., 2021)

Distributed Detection and Mitigation of Biasing Attacks Over Multi-Agent Networks. - Mohammadreza Doostmohammadian; Houman Zarrabi; Hamid R. Rabiee; Usman A. Khan; Themistoklis Charalambous (IEEE Trans. Netw. Sci. Eng., 2021)

An Improved Convergence Analysis for Decentralized Online Stochastic Non-Convex Optimization. - Ran Xin; Usman A. Khan; Soummya Kar (IEEE Trans. Signal Process., 2021)

Fast-Convergent Anytime-Feasible Dynamics for Distributed Allocation of Resources Over Switching Sparse Networks with Quantized Communication Links. - Mohammadreza Doostmohammadian; Alireza Aghasi; Mohammad Pirani; Ehsan Nekouei; Usman A. Khan; Themistoklis Charalambous (ECC, 2022)

Stochastic First-Order Methods Over Distributed Data. - Muhammad I. Qureshi; Usman A. Khan (SAM, 2022)

Distributed Constraint-Coupled Optimization over Lossy Networks. - Mohammadreza Doostmohammadian; Usman A. Khan; Alireza Aghasi; Themistoklis Charalambous (CoRR, 2022)

Distributed Support Vector Machines Over Dynamic Balanced Directed Networks. - Mohammadreza Doostmohammadian; Alireza Aghasi; Themistoklis Charalambous; Usman A. Khan (IEEE Control. Syst. Lett., 2022)

Consensus-Based Distributed Estimation in the Presence of Heterogeneous, Time-Invariant Delays. - Mohammadreza Doostmohammadian; Usman A. Khan; Mohammad Pirani; Themistoklis Charalambous (IEEE Control. Syst. Lett., 2022)

Push-SAGA: A Decentralized Stochastic Algorithm With Variance Reduction Over Directed Graphs. - Muhammad I. Qureshi; Ran Xin; Soummya Kar; Usman A. Khan (IEEE Control. Syst. Lett., 2022)

Fast Decentralized Nonconvex Finite-Sum Optimization with Recursive Variance Reduction. - Ran Xin; Usman A. Khan; Soummya Kar (SIAM J. Optim., 2022)

A Fast Randomized Incremental Gradient Method for Decentralized Nonconvex Optimization. - Ran Xin; Usman A. Khan; Soummya Kar (IEEE Trans. Autom. Control., 2022)

Variance Reduced Stochastic Optimization Over Directed Graphs with Row and Column Stochastic Weights. - Muhammad I. Qureshi; Ran Xin; Soummya Kar; Usman A. Khan (ACSSC, 2023)

A Distributed First-Order Optimization Method for Strongly Concave-Convex Saddle-Point Problems. - Muhammad I. Qureshi; Usman A. Khan (CAMSAP, 2023)

A Distributed Stochastic First-Order Method for Strongly Concave-Convex Saddle Point Problems. - Muhammad I. Qureshi; Usman A. Khan (CDC, 2023)

Consensus-based Networked Tracking in Presence of Heterogeneous Time-Delays. - Mohammadreza Doostmohammadian; Mohammad Pirani; Usman A. Khan (CoRR, 2023)

Distributed Saddle Point Problems for Strongly Concave-Convex Functions. - Muhammad I. Qureshi; Usman A. Khan (IEEE Trans. Signal Inf. Process. over Networks, 2023)

Distributed delay-tolerant strategies for equality-constraint sum-preserving resource allocation. - Mohammadreza Doostmohammadian; Alireza Aghasi; Maria Vrakopoulou; Hamid R. Rabiee; Usman A. Khan; Themistoklis Charalambous (Syst. Control. Lett., 2023)

Distributed Optimization with Gradient Tracking Over Heterogeneous Delay-Prone Directed Networks. - Evagoras Makridis; Gabriele Oliva; Kasagatta Ramesh Narahari; Mohammadreza Doostmohammadian; Usman A. Khan; Themistoklis Charalambous (ECC, 2024)

Peer-to-Peer Model-Agnostic Meta-Learning. - Muhammad I. Qureshi; Usman A. Khan (SAM, 2024)

Log-Scale Quantization in Distributed First-Order Methods: Gradient-Based Learning From Distributed Data. - Mohammadreza Doostmohammadian; Muhammad I. Qureshi; Mohammad Hossein Khalesi; Hamid R. Rabiee; Usman A. Khan (IEEE Trans Autom. Sci. Eng., 2025)