Publications and Reports

2026

• A Ballantine-Type Factorization of Diffeomorphisms
  Mahmoud Abdelgalil, Tryphon T. Georgiou

• The Holonomy of Optimal Mass Transport: The Smooth Case
  Mahmoud Abdelgalil, Tryphon T. Georgiou

• Chronic hypertension impairs lymphatic drainage in deep cervical lymph nodes
  Kaiming Xu, Ankita Bhardwaj, Sunil Koundal, Qin Ren, Chenyu You, Xenophon Papademetris, Helene Benveniste, Tryphon T Georgiou

• Control of the State Transition Matrix via Factorization into Positive Definite Factors
  Mahmoud Abdelgalil, Tryphon T Georgiou

• Experimental Design Optimization for Brain Microstructure Imaging via Automatic Differentiation
  Hamza Farooq, Yongxin Chen, Ghulam Rasool, Tryphon Georgiou, and Christophe Lenglet

• Isospectral Steering
  Ralph Sabbagh and Tryphon T. Georgiou

• On the Isospectral Nature of Minimum-Shear Covariance Control
  Ralph Sabbagh, Asmaa Eldesoukey, Mahmoud Abdelgalil, Tryphon T. Georgiou

• The factorization of matrices into products of positive definite factors (2026)
  Mahmoud Abdelgalil, Tryphon T. Georgiou

• Long-term susceptible fractions in networked epidemic models and their relation to the basic reproduction number
  Sei Zhen Khong, Lanlan Su, Tryphon Georgiou

• Curvature on Graphs with Negative Edge Weights
  Daniel Grange, Yifan Sun, Corey Weistuch, Rena Elkin, Sean Phillips, Joseph O Deasy, Tryphon Georgiou

• The holonomy of optimal mass transport: The Gaussian-linear case
  M. Abdelgalil and T.T. Georgiou
  IEEE Transactions on Automatic Control, 71(2): 931–945, 2026

• Gradient flows as optimal controlled evolutions: From Rⁿ to Wasserstein product spaces
  Yongxin Chen, T.T. Georgiou and Michele Pavon
  Journal of Optimization Theory and Applications

• On a universal descriptor for quantum state information: a non-commutative extension of the Born rule
  R. Sabbagh, O. Movilla Miangolarra, T.T. Georgiou and H. Hezari
  APS Global Physics Summit, 2026 (abstract), 2026

• Chebyshev polynomials meet Nevanlinna–Pick interpolation: An automated procedure for algorithm synthesis
  I.K. Ozaslan, T.T. Georgiou and M.R. Jovanović
  Proceedings of Machine Learning Research, 331: 1–16, 2026

2025

• Minimizing Control Attention:The Linear Gauss-Markov paradigm
  Ralph Sabbagh, Asmaa Eldesoukey, Mahmoud Abdelgalil, Tryphon T. Georgiou

• A lasso-alternative to Dijkstra’s algorithm for identifying short paths in networks
  Anqi Dong, Amirhossein Taghvaei, Tryphon T. Georgiou

• Automated Algorithm Design via Nevanlinna-Pick Interpolation
  Ibrahim K. Ozaslan, Tryphon T. Georgiou, Mihailo R. Jovanovic

• Automated algorithm design for convex optimization problems with linear equality constraints
  Ibrahim K. Ozaslan, Wuwei Wu, Jie Chen, Tryphon T. Georgiou, Mihailo R. Jovanovic

• On the factorization of matrices into products of positive definite ones
  Mahmoud Abdelgalil, Tryphon T. Georgiou

• Inferring Evanescent Stochastic Dynamics from Marginal Distributions
  Asmaa Eldesoukey, Olga Movilla Miangolarra, Tryphon T. Georgiou

• Collective steering: Tracer-informed dynamics
  Asmaa Eldesoukey, Mahmoud Abdelgalil, Tryphon T. Georgiou

• On a time-resolved interpretation of the Husimi function
  Ralph Sabbagh, Olga Movilla Miangolarra, Tryphon T. Georgiou

• Regulation of a continuously monitored quantum harmonic oscillator with inefficient detectors
  Ralph Sabbagh, Olga Movilla Miangolarra, Tryphon T. Georgiou

• Quantum Schrodinger bridges: large deviations and time-symmetric ensembles
  Olga Movilla Miangolarra, Ralph Sabbagh, Tryphon T. Georgiou

• Analytic continuation of time in Brownian motion. Stochastic distributions approach
  Luis Daniel Abreu, Daniel Alpay, Tryphon Georgiou, Palle Jorgensen

• Inferring Evanescent Stochastic Dynamics from Marginal Distributions
  Asmaa Eldesoukey, Olga Movilla Miangolarra, Tryphon T. Georgiou

• Optimal Survival Strategies for Diffusive Flows: A Schrödinger Bridge Approach to Unbalanced Transport
  Yongxin Chen, T.T. Georgiou and Michele Pavon
  SIAM Review, 67(3): 579–604, 2025

• Schrödinger bridges and Monge cycles: From thermodynamics to ensemble control and back, plenary lecture (abstract)
  T.T. Georgiou
  Proceedings of ICCAS, 2025

• Control of the state-transition via state-feedback
  Mahmoud Abdelgalil and T.T. Georgiou
  Proceedings of the IEEE Conference on Decision and Control, 1816–1821, 2025

• Frequency-domain synthesis of implicit algorithms
  W. Wu, J. Chen, M.R. Jovanović and T.T. Georgiou
  Proceedings of the American Control Conference, 2262–2267, 2025

2024

• Maximum entropy inference of reaction-diffusion models
  Olga Movilla Miangolarra, Asmaa Eldesoukey, Ander Movilla Miangolarra, and Tryphon T. Georgiou

• Collective steering in finite-time: Controllability on GL+(n)
  Mahmoud Abdelgalil, Tryphon T. Georgiou

• Tannenbaum’s gain-margin optimization meets Polyak’s heavy-ball algorithm
  Wuwei Wu, Jie Chen, Mihailo R. Jovanovic, Tryphon T. Georgiou

• Particle approximations of Wigner distributions for n arbitrary observables
  Ralph Sabbagh, Olga Movilla Miangolarra, Tryphon Georgiou

• Sub-Riemannian Geometry, Mixing, and the Holonomy of Optimal Mass Transport
  Mahmoud Abdelgalil, Tryphon T. Georgiou

• Wasserstein speed limits for underdamped Brownian particles
  Ralph Sabbagh, Olga Movilla Miangolarra, Tryphon Georgiou

• Network Learning with Directional Sign Patterns
  Anqi Dong, Can Chen, Tryphon T. Georgiou

• Frequency-Domain Analysis of Distributed Optimization: Fundamental Convergence Rate and Optimal Algorithm Synthesis
  Shiqi Zhang; Wuwei Wu; Zhongkui Li; Jie Chen; Tryphon T. Georgiou

• Maximization of Gain/Phase Margins by PID Control
  Qi Mao, Yong Xu, Jianqi Chen, Jie Chen, Tryphon T. Georgiou

• Schrödinger’s bridges with stopping: Steering of stochastic flows towards spatio-temporal marginals
  Asmaa Eldesoukey, Olga Movilla Miangolarra, and Tryphon T. Georgiou

• Monge–Kantorovich optimal transport through constrictions and flow-rate constraints
  Anqi Dong, Arthur Stephanovitch, Tryphon T. Georgiou

• Stochastic thermodynamic engines under time-varying temperature profile
  Rui Fu, Olga Movilla Miangolarra, Amirhossein Taghvaei, Yongxin Chen, Tryphon T Georgiou

• An excursion onto Schrodinger’s bridges: Stochastic flows between spatio-temporal marginals
  Asmaa Eldesoukey, Olga Movilla Miangolarra, and Tryphon T. Georgiou

• Partially observed Schrödinger flows: an application to stochastic thermodynamics
  Olga Movilla Miangolarra, Asmaa Eldesoukey, Tryphon Georgiou

• Wasserstein speed limits for underdamped Brownian particles
  Ralph Sabbagh, Olga Movilla Miangolarra, Tryphon Georgiou

• Inferring potential landscapes: A Schrödinger bridge approach to Maximum Caliber
  Olga Movilla Miangolarra, Asmaa Eldesoukey and Tryphon T. Georgiou

• Refined bounds on energy harvesting from anisotropic fluctuations
  Jordi Ventura Siches, Olga Movilla Miangolarra and Tryphon T. Georgiou

• On decomposition and convergence of distributed optimization algorithms
  W. Wu, S. Zhang, Z. Li, J. Chen and T.T. Georgiou
  Proceedings of the American Control Conference, 3391–3396, 2024

2023

• Schrodinger’s control and estimation paradigm with spatio-temporal distributions on graphs
  Asmaa Eldesoukey and Tryphon T. Georgiou

• Wasserstein speed limits for Langevin systems
  Ralph Sabbagh, Olga Movilla Miangolarra, and Tryphon T. Georgiou

• Computational Optimal Transport and Filtering on Riemannian manifolds
  Daniel Grange, Mohammad Al-Jarrah, Ricardo Baptista, Amir Taghvaei, Tryphon T. Georgiou, and Allen Tannenbaum

• Data Assimilation for Sign-indefinite Priors: A generalization of Sinkhorn’s algorithm
  Anqi Dong, Tryphon T. Georgiou, Allen Tannenbaum

• Promotion/Inhibition Effects in Networks: A Model with Negative Probabilities
  Anqi Dong, Tryphon T. Georgiou, Allen Tannenbaum

• Control and estimation of multi-commodity network flow under aggregation
  Yongxin Chen, Tryphon T. Georgiou, Michele Pavon

• Minimal Wasserstein Surfaces
  Wuchen Li, Tryphon T. Georgiou

• Implementation-oriented filtered PID control: Optimization of robustness margins
  Qi Mao, Yong Xu, Jie Chen, Tryphon T. Georgiou

• A matching principle for power transfer in Stochastic Thermodynamics
  Olga Movilla Miangolarra, Amirhossein Taghvaei, Tryphon T. Georgiou

• Minimal entropy production in the presence of anisotropic fluctuations
  Olga Movilla Miangolarra, Amirhossein Taghvaei, Tryphon T. Georgiou

2022

• Minimal entropy production in anisotropic temperature fields
  Olga Movilla Miangolarra and Amirhossein Taghvaei and Tryphon T. Georgiou

• Optimal transport through a toll
  Arthur Stephanovitch, Anqi Dong, Tryphon T. Georgiou

• Inertialess Gyrating Engines
  Jordi Ventura Siches, Olga Movilla Miangolarra, Amirhossein Taghvaei, Yongxin Chen, Tryphon T. Georgiou

• Stochastic thermodynamic engines under time-varying temperature profile
  Rui Fu, Olga Movilla Miangolarra, Amirhossein Taghvaei, Yongxin Chen, Tryphon T. Georgiou

• Geometry of finite-time thermodynamic cycles with anisotropic thermal fluctuations
  Olga Movilla Miangolarra, Amirhossein Taghvaei, Yongxin Chen, Tryphon T. Georgiou

• Thermodynamic engine powered by anisotropic fluctuations
  Olga Movilla Miangolarra, Amirhossein Taghvaei, Yongxin Chen, Tryphon T. Georgiou

• Lossless continuously adjustable devices
  T.T. Georgiou, M.C. Smith, F. Jabbari and N.E. Houghton
  U.S. Patent Application US 17/610,920, published July 21, 2022, 2022

• Implementation-oriented filtered PID control: Robustness margins
  Q. Mao, Y. Xu, J. Chen and T.T. Georgiou
  Proceedings of the 61st IEEE Conference on Decision and Control, 5511–5516, 2022

• Mechanical realisation of a lossless adjustable two-port transformer
  L. Gaudiesius, T.T. Georgiou, N.E. Houghton and M.C. Smith
  Proceedings of the 25th International Symposium on the Mathematical Theory of Networks and Systems (MTNS 2022), Bayreuth, Germany, 2022

• Lossy Schrödinger bridges: The most likely transport between unbalanced marginals
  Y. Chen, T.T. Georgiou and M. Pavon
  Proceedings of the 25th International Symposium on the Mathematical Theory of Networks and Systems (MTNS 2022), Bayreuth, Germany, 2022

2021

• Regression analysis of distributional data through multi-marginal optimal transport
  Amirhossein Karimi and Tryphon T. Georgiou

• Classical Stability Margins by PID Control
  Qi Mao, Yong Xu, Jianqi Chen, Jie Chen, Tryphon Georgiou

• The most likely evolution of diffusing and vanishing particles: Schrodinger Bridges with unbalanced marginals
  Yongxin Chen, Tryphon T. Georgiou, Michele Pavon

• Energy harvesting from anisotropic fluctuations
  Olga Movilla Miangolarra, Amirhossein Taghvaei, Rui Fu, Yongxin Chen, Tryphon T. Georgiou

• Fast and asymptotic steering to a steady state for networks flows
  Yongxin Chen, Tryphon T. Georgiou, Michele Pavon

• The Challenge of Small Data: Dynamic Mode Decomposition, Redux
  Amirhossein Karimi, and Tryphon T. Georgiou

• On the relation between information and power in stochastic thermodynamic engines
  Amirhossein Taghvaei, Olga Movilla Miangolarra, Rui Fu, Yongxin Chen, and Tryphon T. Georgiou

• Optimal steering to invariant distributions for networks flows
  Yongxin Chen, Tryphon T. Georgiou, and Michele Pavon

• On power and efficiency in harvesting energy from a heat bath with periodic temperature profile
  Olga Movilla Miangolarra, Rui Fu, Amirhossein Taghvaei, Yongxin Chen, and Tryphon T. Georgiou

• Underdamped stochastic thermodynamic engines in contact with a heat bath with arbitrary temperature profile
  O.M. Miangolarra, R. Fu, A. Taghvaei, Y. Chen and T.T. Georgiou
  Physical Review E, 103(6): 062103, 2021

• Optimal Transport in Systems and Control
  Y. Chen, T.T. Georgiou and M. Pavon
  Annual Review of Control, Robotics, and Autonomous Systems, 4(1): 89–113, 2021

• Controlling Uncertainty: Schrödinger’s Inference Method and the Optimal Steering of Probability Distributions
  Y. Chen, T.T. Georgiou and M. Pavon
  IEEE Control Systems Magazine, 41(4): 82–94, 2021

• Tryphon T. Georgiou [People in Control]
  IEEE Control Systems Magazine, 41(5): 27–29, 2021

2020

• Optimality vs Stability Trade-off in Ensemble Kalman Filters
  Amirhossein Taghvaei, Prashant G. Mehta, Tryphon T. Georgiou

• Data-Driven Approximation of the Perron-Frobenius Operator Using the Wasserstein Metric
  Amirhossein Karimi, Tryphon T. Georgiou

• On a Fejer-Riesz factorization of generalized trigonometric polynomials
  Tryphon T. Georgiou and Anders Lindquist

• Stochastic control liaisons: Richard Sinkhorn meets Gaspard Monge on a Schroedinger bridge
  Yongxin Chen, Tryphon T. Georgiou, Michele Pavon

• Lasso formulation of the shortest path problem
  Anqi Dong, Amirhossein Taghvaei, Tryphon T. Georgiou

• Fractional SIR Epidemiological Models
  Amirhossein Taghvaei, Tryphon T. Georgiou, Larry Norton, Allen R Tannenbaum

• Rotated spectral principal component analysis (rsPCA) for identifying dynamical modes of variability in climate systems
  Clement Guilloteau, Antonios Mamalakis, Lawrence Vulis, Tryphon T. Georgiou, and Efi Foufoula-Georgiou

• Statistical learning in Wasserstein space
  Amirhossein Karimi, Luigia Ripani, and Tryphon Georgiou

• Harvesting energy from a periodic heat bath
  Rui Fu, Olga Movilla Miangolarra, Amirhossein Taghvaei, Yongxin Chen, Tryphon T. Georgiou

• Macroscopic network circulation for planar graphs
  Fariba Ariaei, Zahra Askarzadeh, Yongxin Chen and Tryphon T. Georgiou

• Probabilistic Kernel Support Vector Machines
  Yongxin Chen, Tryphon T. Georgiou, and Allen R. Tannenbaum

• Maximal power output of a stochastic thermodynamic engine
  Rui Fu, Amirhossein Taghvaei, Yongxin Chen, Tryphon T. Georgiou

• Reflections on the IEEE Control Systems Society Awards
  T.T. Georgiou
  IEEE Control Systems Magazine, 40(12): 16–17, 2020

2019

• Proximal Recursion for the Wonham Filter
  Abhishek Halder and Tryphon T. Georgiou

• Fitting IVIM with Variable Projection and Simplicial Optimization
  Shreyas Fadnavis, etal.

• Covariance steering in zero-sum linear-quadratic two-player differential games
  Yongxin Chen, Tryphon T. Georgiou and Michele Pavon

• Stochastic dynamical modeling of turbulent flows
  Armin Zare, Tryphon T. Georgiou, Mihailo R. Jovanovic

• Principles of lossless adjustable one-ports
  Tryphon T. Georgiou, Faryar Jabbari, Malcolm C. Smith

• Probabilistic Kernel Support Vector Machines
  Yongxin Chen, Tryphon T. Georgiou, and Allen R. Tannenbaum

• Proximal Recursion for the Wonham Filter
  Abhishek Halder and Tryphon T. Georgiou

• Regularized transport between singular covariance matrices
  Valentina Ciccone, Yongxin Chen, Tryphon T. Georgiou, and Michele Pavon

• Covariance steering in differential games
  Yongxin Chen, Tryphon T. Georgiou, and Michele Pavon

• Optimal steering for non-Markovian Gaussian processes
  Daniele Alpago, Yongxin Chen, Tryphon Georgiou and Michele Pavon

• Multi-marginal Schrodinger bridges
  Yongxin Chen, Giovanni Conforti, Tryphon T. Georgiou and Luigia Ripani

• Opinion Dynamics over Influence Networks
  Z. Askarzadeh, R. Fu, A. Halder, Y. Chen and T.T. Georgiou
  Proceedings of the American Control Conference, 1873–1878, 2019

2018

• Proximal algorithms for large-scale statistical modeling and optimal sensor/actuator selection
  Armin Zare, Neil K. Dhingra, Mihailo R. Jovanovic, Tryphon T. Georgiou

• Some Personal Reminisces about Bruce Allen Francis
  Tryphon T. Georgiou, Allen Tannenbaum

• Dynamic relations in sampled processes
  Tryphon T. Georgiou, Anders Lindquist

• Ruelle-Bowen continuous-time random walk
  Yongxin Chen, Tryphon T. Georgiou, Michele Pavon

• Stochastic control and non-equilibrium thermodynamics: fundamental limits
  Yongxin Chen, Tryphon Georgiou, Allen Tannenbaum

• Relaxed Schroedinger bridges and robust network routing
  Yongxin Chen, Tryphon Georgiou, Michele Pavon, Allen Tannenbaum

• Measure-valued spline curves: An optimal transport viewpoint
  Yongxin Chen, Giovanni Conforti, Tryphon T. Georgiou

• Control and the Analysis of Cancer Growth Models
  Allen R Tannenbaum, Tryphon Georgiou, Joseph Deasy, Larry Norton

• Diffusion Dynamics and Optimal Coupling in Multiplex Networks with Directed Layers
  A. Tejedor, A. Longjas, E. Foufoula-Georgiou, T.T. Georgiou and Y. Moreno
  Physical Review X, 8(3): 031071, 2018

• The rôle of the time-arrow in mean-square estimation of stochastic processes
  Y. Chen, J. Karlsson and T.T. Georgiou
  IEEE Control Systems Letters, 2(1): 85–90, 2018

• Brain parcellation and connectivity mapping using Wasserstein geometry
  H. Farooq, Y. Chen, T.T. Georgiou and C. Lenglet
  Computational Diffusion MRI, 165–174, Springer, 2018

• A relaxed maximum entropy approach to robust network routing
  Y. Chen, T.T. Georgiou, M. Pavon and A. Tannenbaum
  Proceedings of the 23rd International Symposium on the Mathematical Theory of Networks and Systems (MTNS 2018), Hong Kong, 2018

• Steering the distribution of agents in mean-field games
  Y. Chen, T.T. Georgiou and M. Pavon
  Proceedings of the 57th IEEE Conference on Decision and Control, 2018, 10.1109/CDC.2018.861, 2018

2017

• Steering the distribution of agents in mean-field and cooperative games
  Yongxin Chen, Tryphon T. Georgiou, Michele Pavon

• Optimal transport for Gaussian mixture models
  Yongxin Chen, Tryphon T. Georgiou, Allen Tannenbaum

• Entropy and optimality in river deltas
  Alejandro Tejedor, Anthony Longjas, Douglas A. Edmonds, Ilya Zaliapin, Tryphon T. Georgiou, Andrea Rinaldo, and Efi Foufoula-Georgiou

• In Memoriam: Rudolf E. Kalman
  Tryphon T. Georgiou

• Gradient Flows in Filtering and Fisher-Rao Geometry
  Abhishek Halder and Tryphon T. Georgiou

• Network Curvature as a Hallmark of Brain Structural Connectivity
  Hamza Farooq, Yongxin Chen, Tryphon T. Georgiou, Allen R. Tannenbaum, Christophe Lenglet

• Obituary for Professor Rudolf Emil Kalman
  Athanasios Antoulas, Tryphon T. Georgiou, Pramod P. Khargonekar, A. Bülent Özgüler, Eduardo D. Sontag, Yutaka Yamamoto

• Rudolf E. Kalman’s quest for algebraic characterizations of positivity
  Tryphon T. Georgiou

• An Efficient Algorithm for Matrix-Valued and Vector-Valued Optimal Mass Transport
  Yongxin Chen, Eldad Haber, Kaoru Yamamoto, Tryphon T. Georgiou, Allen Tannenbaum

• Efficient-robust routing for single commodity network flows
  Yongxin Chen, Tryphon T. Georgiou, Michele Pavon, and Allen Tannenbaum

• Stability Theory in \ell_1 for Nonlinear Markov Chains and Stochastic Models for Opinion Dynamics over Influence Networks
  Zahra Askarzadeh, Rui Fu, Abhishek Halder, Yongxin Chen, Tryphon T. Georgiou

• To Rudolf E. Kalman: A personal goodbye
  Tryphon T. Georgiou

• Vector-Valued Optimal Mass Transport
  Yongxin Chen, Tryphon T. Georgiou, and Allen Tannenbaum

• Wasserstein Geometry of Quantum States and Optimal Transport of Matrix-Valued Measures
  Yongxin Chen, Tryphon T. Georgiou, and Allen Tannenbaum

• Gradient Flows in Uncertainty Propagation and Filtering of Linear Gaussian Systems
  Abhishek Halder, and Tryphon T. Georgiou

• Matricial Wasserstein-1 Distance
  Yongxin Chen, Tryphon T. Georgiou, Lipeng Ning, and Allen Tannenbaum

• Thermodynamics of efficient-robust transport over networks
  Yongxin Chen, Tryphon T. Georgiou, Michele Pavon, Allen Tannenbaum

• On the Matrix Monge-Kantorovich Problem
  Yongxin Chen, Wilfrid Gangbo, Tryphon T. Georgiou, Allen Tannenbaum

• Interpolation of Density Matrices and Matrix-Valued Measures: The Unbalanced Case
  Yongxin Chen, Tryphon T. Georgiou, Allen Tannenbaum

• A tribute to Rudolf Kalman: His research, life, and influence [Historical Perspectives]
  A. Antoulas, T.T. Georgiou, P.P. Khargonekar, A.B. Özgüler, E.D. Sontag and Y. Yamamoto
  IEEE Control Systems Magazine, 37(2): 153, 2017

• Professor Rudolf E. Kalman [Obituary]
  A. Antoulas, T.T. Georgiou, P.P. Khargonekar, A.B. Özgüler, E.D. Sontag and Y. Yamamoto
  IEEE Control Systems Magazine, 37(1): 151–152, 2017

• Structured covariance completion via proximal algorithms
  A. Zare, N.K. Dhingra, M.R. Jovanović and T.T. Georgiou
  Proceedings of the 56th IEEE Conference on Decision and Control, 3775–3780, 2017

2016

• Microstructure Imaging of Crossing (MIX) White Matter Fibers from diffusion MRI
  Hamza Farooq, Junqian Xu, Jung Who Nam, Daniel F. Keefe, Essa Yacoub, Tryphon Georgiou & Christophe Lenglet

• Transport Distance on Graphs and Vector-Valued Optimal Mass Transport
  Yongxin Chen, Tryphon T. Georgiou, Allen Tannenbaum

• Regularization and Interpolation of Positive Matrices
  Kaoru Yamamoto, Yongxin Chen, Lipeng Ning, Tryphon T. Georgiou, Allen Tannenbaum

• Matrix Optimal Mass Transport: A Quantum Mechanical Approach
  Yongxin Chen, Tryphon T. Georgiou, Allen Tannenbaum

• Synchronisation in Multi-Agent Systems Coordinated via Graph Laplacians with Negative Weights
  Yongxin Chen, Sei Zhen Khong, Tryphon T. Georgiou

• Likelihood Analysis of Power Spectra and Generalized Moment Problems
  Tryphon T. Georgiou, Anders Lindquist

• Optimal steering of a linear stochastic system to a final probability distribution, Part III
  Yongxin Chen, Tryphon Georgiou and Michele Pavon

• An alternating minimization algorithm for structured covariance completion problems
  A. Zare and Y. Chen and M. R. Jovanovic and T. T. Georgiou

• Perturbation of System Dynamics and the Covariance Completion Problem
  Armin Zare, Mihailo Jovanovic and Tryphon T. Georgiou

• Ricci curvature: An economic indicator for market fragility and systemic risk
  Romeil Sandhu, Tryphon Georgiou, Allen Tannenbaum

• On the definiteness of graph Laplacians with negative weights: Geometrical and passivity-based approaches
  Yongxin Chen, Sei Zhen Khong, Tryphon T. Georgiou

• Alternating direction optimization algorithms for covariance completion problems
  Armin Zare, Mihailo R. Jovanovic, and Tryphon T. Georgiou

• Ricci Curvature and Robustness of Cancer Networks
  Allen Tannenbaum, Chris Sander, Liangjia Zhu, Romeil Sandhu, Ivan Kolesov, Eduard Reznik, Yasin Senbabaoglu, Tryphon Georgiou

• Bakry-Emery Ricci Curvature on Weighted Graphs with Applications to Biological Networks
  Maryam Pouryahya, Rena Elkin, Romeil Sandhu Sarah Tannenbaum, Tryphon Georgiou, Allen Tannenbaum

• Non-commutative Sinkhorn theorem and generalizations
  Yongxin Chen, Tryphon Georgiou and Michele Pavon

• Laplacian Global Similarity of Networks
  Romeil Sandhu, Tryphon Georgiou, Allen Tannenbaum

• Optimal steering of Ensembles
  Yongxin Chen, Tryphon Georgiou and Michele Pavon

• Matricial Wasserstein and Unsupervised Tracking
  Lipeng Ning, Romeil Sandhu, Tryphon T. Georgiou, and Allen Tannenbaum

• Geometry of Correlation Networks for Studying the Biology of Cancer
  Romeil Sandhu, Sarah Tannenbaum, Tryphon T. Georgiou, Allen Tannenbaum

• A new approach to robust transportation over networks
  Yongxin Chen, Tryphon Georgiou, Michele Pavon and Allen Tannenbaum

• Some geometric ideas for feature enhancement of diffusion tensor fields
  Hamza Farooq, Yongxin Chen, Tryphon T. Georgiou and Christophe Lenglet

• Robust transport over networks
  Yongxin Chen, Tryphon T. Georgiou, Michele Pavon and Allen Tannenbaum

• Color of turbulence
  Armin Zare, Mihailo R. Jovanović, Tryphon T. Georgiou

• Stochastic control, entropic interpolation and gradient flows on Wasserstein product spaces
  Yongxin Chen, Tryphon Georgiou, Michele Pavon

• Stochastic control, entropic interpolation and gradient flows on Wasserstein product spaces
  Y. Chen, T.T. Georgiou and M. Pavon
  Proceedings of the 22nd International Symposium on the Mathematical Theory of Networks and Systems (MTNS 2016), Minneapolis, 2016, hdl.handle.net/11299/18, 2016

2015

• Market Fragility, Systemic Risk, and Ricci Curvature
  Romeil Sandhu, Tryphon Georgiou, Allen Tannenbaum

• Entropic and displacement interpolation: a computational approach using the Hilbert metric
  Yongxin Chen, Tryphon T. Georgiou, and Michele Pavon

• Steering state statistics with output feedback
  Yongxin Chen, Tryphon T. Georgiou, and Michele Pavon

• Optimal estimation with missing observations via balanced time-symmetric stochastic models
  Tryphon T. Georgiou and Anders Lindquist

• Optimal control of the state statistics for a linear stochastic system
  Yongxin Chen, Tryphon T. Georgiou, and Michele Pavon

• Brain Microstructure Mapping from diffusion MRI using Least Squares Variable Separation
  Hamza Farooq, Junqian Xu, Essa Yacoub, Tryphon Georgiou, and Christophe Lenglet

• Optimal mass transport over bridges
  Yongxin Chen, Tryphon T. Georgiou, and Michele Pavon

• Ricci Curvature and Robustness of Cancer Networks
  Allen Tannenbaum, Chris Sander, Liangjia Zhu, Romeil Sandhu, Ivan Kolesov, Eduard Reznik, Yasin Senbabaoglu, Tryphon Georgiou

• Optimal transport over a linear dynamical system
  Yongxin Chen, Tryphon T. Georgiou, and Michele Pavon

• Graph curvature for differentiating cancer networks
  R. Sandhu, T.T. Georgiou, E. Reznik, L. Zhu, I. Kolesov, Y. Senbabaoglu and A. Tannenbaum
  Scientific Reports, 5(1): 12323, 2015

• Low-Complexity Stochastic Modeling of Turbulent Flows
  A. Zare, M.R. Jovanović and T.T. Georgiou
  SIAM conference, Paris, 2015

• On Cooling of Stochastic Oscillators
  Y. Chen, T.T. Georgiou and M. Pavon
  SIAM conference, Paris, 2015

2014

• Completion of partially known turbulent flow statistics via convex optimization
  A. Zare and M. R. Jovanovic ́ and T. T. Georgiou

• Low-complexity modeling of partially available second-order statistics via matrix completion
  Armin Zare, Yongxin Chen, Mihailo Jovanovic and Tryphon T. Georgiou

• On the relation between optimal transport and Schrodinger bridges: A stochastic control viewpoint
  Yongxin Chen, Tryphon T. Georgiou, and Michele Pavon

• Fast cooling for a system of stochastic oscillators
  Yongxin Chen, Tryphon T. Georgiou, and Michele Pavon

• Optimal steering of a linear stochastic system to a final probability distribution, part II
  Yongxin Chen, Tryphon T. Georgiou, and Michele Pavon

• Optimal steering of a linear stochastic system to a final probability distribution
  Yongxin Chen, Tryphon T. Georgiou, and Michele Pavon

• Optimal steering of inertial particles diffusing anisotropically with losses
  Yongxin Chen, Tryphon T. Georgiou, and Michele Pavon

• Stochastic bridges of linear systems
  Yongxin Chen and Tryphon T. Georgiou

• Metrics for matrix-valued measures via test functions
  Lipeng Ning and Tryphon T. Georgiou

• Convex clustering via Optimal Mass Transport
  Francesca Carli, Lipeng Ning, and Tryphon T. Georgiou

• Positive contraction mappings for classical and quantum Schrodinger systems
  Tryphon T. Georgiou and Michele Pavon

• On time-reversibility of linear stochastic models
  Tryphon T. Georgiou and Anders Lindquist

• Coping with model error in variational data assimilation using optimal mass transport
  Lipeng Ning, Francesca P. Carli, Ardeshir Mohammad Ebtehaj, Efi Foufoula-Georgiou, Tryphon T. Georgiou

• The flatness of power spectral zeros and their significance in quadratic estimation
  Y. Chen and T.T. Georgiou
  Proceedings of the IEEE Conf. on Decision and Control, 2014, 6, 2014

2013

• Linear models based on noisy data and the Frisch scheme
  L. Ning, T.T. Georgiou, A. Tannenbaum, and S.P. Boyd

• Matrix-valued Monge-Kantorovich Optimal Mass Transport
  L. Ning, T.T. Georgiou, and A. Tannenbaum

• Validating Aircraft Models in the Gap Metric
  Andrei Dorobantu, Gary J. Balas, and Tryphon T Georgiou

• The Wasserstein metric in Factor Analysis
  Lipeng Ning and Tryphon Georgiou

• The role of past and future in estimation and the reversibility of stochastic processes
  Yongxin Chen, Johan Karlsson, and Tryphon Georgiou

• Completion of partially known turbulent flow statistics
  Armin Zare, Mihailo R. Jovanovic, and Tryphon T. Georgiou

• State covariances and the matrix completion problem
  Y. Chen, M. Jovanovic, T.T. Georgiou

• An ADMM algorithm for matrix completion of partially known state covariances
  Fu Lin, Mihailo R. Jovanovic, and Tryphon T. Georgiou

• On the geometry of covariance matrices
  L. Ning, X. Jiang and T.T. Georgiou
  IEEE Signal Processing Letters, 20(8): 787–790, 2013

2012

• Uncertainty bounds for spectral estimation
  J.Karlsson and T.T. Georgiou

• Geometric Methods for Spectral Analysis
  X. Jiang, Zhi-Quan (Tom) Luo and T.T. Georgiou
  IEEE Trans. on Signal Processing, March 2012

• Optimal Mass Transport for Problems in Control, Statistical Estimation, and Image Analysis
  E. Tannenbaum, T.T. Georgiou and A. Tannenbaum
  Mathematical Methods in Systems, Optimization, and Control, 311–324, Springer-Verlag, 2012

• Fractional-order systems and the internal model principle
  M.S. Takyar and T.T. Georgiou
  Mathematical Methods in Systems, Optimization, and Control, 295–309, Springer-Verlag, 2012

• Geometric methods for structured covariance estimation
  X. Jiang, L. Ning and T.T. Georgiou
  American Control Conf, 1877–1882, 2012

• Metric Uncertainty for Spectral Estimation based on Nevanlinna-Pick Interpolation
  J. Karlsson and T.T. Georgiou
  Proceedings of the 20th International Symposium on the Mathematical Theory of Networks and Systems (MTNS 2012), Melbourne, Australia, 2012

• Metrics for multivariate power spectra
  L. Ning, X. Jiang and T.T. Georgiou
  IEEE Conf. on Decision and Control, 4727–4732, 2012

• Revisiting the Separation Principle in Stochastic Control
  T.T. Georgiou and A. Lindquist
  IEEE Conf. on Decision and Control, 1459–1465, 2012

2011

• Distances and Riemannian metrics for multivariate spectral densities
  \n X. Jiang, L. Ning, and T.T. Georgiou

• Geometric methods for estimation of structured covariances
  \n L. Ning, X. Jiang and T.T. Georgiou

• The Separation Principle in Stochastic Control, Redux
  \n T.T. Georgiou and A. Lindquist

• On the Covariance Completion Problem under a Circulant Structure
  F. Carli and T.T. Georgiou
  IEEE Trans. on Automatic Control, 56(4): 918 - 922, April 2011]

• Sparse factor analysis via likelihood and ℓ1-regularization
  L. Ning and T.T. Georgiou
  IEEE Conference on Decision and Control, 5188–5192, 2011

2010

• Feedback Control and the Arrow of Time
  T.T. Georgiou and M.C. Smith
  International Journal of Control 83(7): 1325 — 1338, 2010 translated into Japanese and re-printed in: Systems, Control and Information 53(7): 273-281, 2009

• The Inverse Problem of Analytic Interpolation with Degree Constraint and Weight Selection for Control Synthesis
  J.Karlsson, T.T. Georgiou, and A. Lindquist
  IEEE Trans.\ on Automatic Control 55(2): 405-418, February 2010

• Multivariable analytic interpolation with a degree constraint
  Mir Shahrouz Takyar, and T.T. Georgiou
  IEEE Trans.\ on Automatic Control 55(5): 1057-1088, May 2010

• Sparse Blind Source Deconvolution via ℓ1-norm Optimization
  T.T. Georgiou and A. Tannenbaum
  Perspectives in Mathematical System Theory, Control, and Signal Processing, 321–330, Springer-Verlag, 2010

• High resolution analysis via sparsity-inducing techniques: spectral lines in colored noise
  L. Ning, T.T. Georgiou and A. Tannenbaum
  Proceedings of the 19th International Symposium on the Mathematical Theory of Networks and Systems (MTNS 2010), Budapest, Hungary, 2010

• Nonstationary Processes and Spectral Distances
  D. Rudoy and T.T. Georgiou
  Proceedings of the 19th International Symposium on the Mathematical Theory of Networks and Systems (MTNS 2010), 2010

• A New Method for Moving-Average Parameter Estimation
  P. Stoica, L. Du, J. Li and T.T. Georgiou
  44th Asilomar Conference on Signals, Systems and Computers, Asilomar Conference Grounds, Pacific Grove, California, 2010

• Reproducing second order statistics of turbulent flows using linearized Navier-Stokes equations with forcing
  M. Jovanovic and T.T. Georgiou
  Bulletin of the American Physical Society, 63rd Annual Meeting of the APS Division of Fluid Dynamics, 2010

• Robustness of L1 Adaptive Controllers in the Gap Metric in the Presence of Nonzero Initialization
  D. Li, N. Hovakimyan and T.T. Georgiou
  IEEE Conference on Decision and Control, Atlanta, 2723–2728, 2010

• Robustness of L1 adaptive controllers in the gap metric
  D. Li, N. Hovakimyan and T.T. Georgiou
  American Control Conference, 3247–3252, 2010

• Separation of system dynamics and line spectra via sparse representation
  L. Ning, T.T. Georgiou and A. Tannenbaum
  IEEE Conference on Decision and Control, Atlanta, 473–478, 2010

• Signals & Control Aspects of Optimal Mass Transport and the Boltzmann Entropy
  E. Tannenbaum, T.T. Georgiou and A. Tannenbaum
  IEEE Conference on Decision and Control, Atlanta, 1885–1890, 2010

2009

• Metrics for power spectra: an axiomatic approach
  T.T.Georgiou, J. Karlsson, and S. Takyar
  IEEE Trans.\ on Signal Processing, 57(3): 859 - 867, March 2009

• Stochastic Observability Test for Discrete-Time Kalman Filters
  V.L. Bageshwar, D. Gebre-Egziabher, W.L. Garrard, and T.T. Georgiou
  AIAA Journal of Guidance, Control, and Dynamics Vol. 32, No. 4, July-August 2009, pp. 1356-1370

• Sparse Blind Source Deconvolution with Application to High Resolution Frequency Analysis
  T.T. Georgiou and A. Tannenbaum
  Three Decades of Progress in Systems and Control, Springer-Verlag, 2009

• Graceful switching in hybrid models
  K. Georgiou and T.T. Georgiou
  48th IEEE Conference on Decision and Control, 2009

2008

• A convex optimization approach to ARMA modeling
  T.T. Georgiou and A. Lindquist
  IEEE Trans.\ on Automatic Control 53(5):1108 - 1119 , June 2008

• Weight Selection in Feedback Design with Degree Constraints
  Mir Shahrouz Takyar, A. Nasiri-Amini, and T.T. Georgiou
  IEEE Trans.\ on Automatic Control 53(8): 1951-1955, September 2008

• Optimal periodic control of a drug delivery system
  S. Varigonda, T.T. Georgiou, R.A. Siegel, and P. Daoutidis
  Computers and Chemical Engineering, 32(10): 2256-2262, October 2008

• Metrics and morphing of power spectra
  X. Jiang, S. Takyar and T.T. Georgiou
  Recent Advances in Learning and Control, 371, Springer, 2008

• A New Distribution Metric for Image Segmentation
  R. Sandhu, T.T. Georgiou and A. Tannenbaum
  SPIE Medical Imaging, 2008

• Tracking with a New Distribution Metric in a Particle Filtering Framework
  R. Sandhu, T.T. Georgiou and A. Tannenbaum
  IS&T/SPIE 20th Annual Symposium on Electronic Imaging, Proc. SPIE vol. 68, 2008

• Transport metrics for power spectra
  J. Karlsson, M.S. Takyar and T.T. Georgiou
  47th IEEE Conference on Decision and Control, 2008

• Weight Selection for Gap Robustness with Degree-Constrained Controllers
  J. Karlsson, T.T. Georgiou and A.G. Lindquist
  47th IEEE Conference on Decision and Control, 2008

• Spectral geodesics and tracking
  X. Jiang, Z-Q Luo and T.T. Georgiou
  47th IEEE Conference on Decision and Control, 2008

• On the Jordan structure of the spectral-zero dynamics in multivariable analytic interpolation
  M.S. Takyar and T.T. Georgiou
  47th IEEE Conference on Decision and Control, 2008

2007

• The meaning of distances in spectral analysis
  IEEE CDC, plenary slides, December 2007

• The Caratheodory-Fejer-Pisarenko decomposition and its multivariable counterpart
  T.T. Georgiou
  IEEE Trans. on Automatic Control, 52(2): 212-228, February 2007

• Distances and Riemannian Metrics for Spectral Density Functions
  T.T. Georgiou
  IEEE Trans.\ on Signal Processing, 55(8): 3995-4003, August 2007

• An intrinsic metric for power spectral density functions
  T.T. Georgiou
  IEEE Signal Processing Letters, 14(8): 561-563, August 2007

• The maximum entropy ansatz in the absence of a time-arrow: fractional pole models
  T.T. Georgiou
  IEEE Trans. on Information Theory 53(8): 2841-2851, August 2007

• Distribution Metrics and Image Segmentation
  T.T. Georgiou, Oleg Michailovich, Yogesh Rathi, James Malcolm, and Allen Tannenbaum
  Linear Algebra and its Applications 425(2-3): 663-672, September 2007

• Distances between time-series and their autocorrelation statistics
  T.T. Georgiou
  Lecture Notes in Control and Information Sciences, 364: 113–122, Springer-Verlag, 2007

• Method and apparatus for speaker verification using a tunable high-resolution spectral estimator
  C. Byrnes, T.T. Georgiou and A. Lindquist
  U.S. Patent No. 7,233,898, issued June 19, 2007, 2007

• Analytic interpolation with degree constraint: the multivariable case
  M.S. Takyar and T.T. Georgiou
  Proc. of the 2007 American Control Conference, New York, 2007

• What is a natural notion of distance between power spectral density functions?
  T.T. Georgiou
  Proceedings of the 2007 European Control Conference, Kos, Greece, 2007

• The fractional integrator as a control design element
  M.S. Takyar and T.T. Georgiou
  Proceedings of the 46th IEEE Conference on Decision and Control, New Orleans, 239–244, 2007

2006

• Generalized interpolation in H-infinity with a complexity constraint
  C.I. Byrnes, T.T. Georgiou, A. Lindquist, and A. Megretski
  Trans. Amer. Math. Soc. 358(3): 965-987, 2006

• Relative Entropy and the multi-variable multi-dimensional Moment Problem
  T.T. Georgiou
  IEEE Trans. on Information Theory 52(3): 1052 - 1066, March 2006

• Remarks on control design with degree constraint
  T.T. Georgiou and A. Lindquist
  IEEE Trans.\ on Automatic Control, 51(7): 1150-1156, July 2006

• Decomposition of Toeplitz matrices via convex optimization
  T.T. Georgiou
  IEEE Signal Processing Letters, 13(9): 537- 540, September 2006

• Tunable Line Spectral Estimators Based on State-Covariance Subspace Analysis
  A. Nasiri Amini and T.T. Georgiou
  IEEE Trans. on Signal Processing, 54(7): 2662- 2671, July 2006

• Singular decomposition of state covariances
  T.T. Georgiou
  Proceedings of the 2006 American Control Conference, 6 pp, 2006

• Sensitivity shaping with degree constraint via semidefinite programming
  M.S. Takyar, A.N. Amini and T.T. Georgiou
  Proceedings of the 2006 American Control Conference, 2006

• Spectral analysis from multi-rate observations: Itakura-Saito based approximation of power spectra and Capon-like spectral envelopes
  A.N. Amini, M.S. Takyar and T.T. Georgiou
  Proceedings of the Fourth IEEE Workshop on Sensor Array and Multi-channel Processing (SAM-2006), 521–525, 2006

• A Homotopy Approach for Multirate Spectrum Estimation
  M.S. Takyar, A.N. Amini and T.T. Georgiou
  Proceedings of the 2006 IEEE International Conf. on Acoustics, Speech and Signal Processing, 2006

• The error variance of the optimal linear smoother is the harmonic mean of the power spectral density
  T.T. Georgiou
  Proc. 45th IEEE Conference on Decision and Control, 2006

• The Inverse Problem of Analytic Interpolation with Degree Constraint
  J. Karlsson, T.T. Georgiou and A. Lindquist
  Proc. 45th IEEE Conference on Decision and Control, 2006

• Weight selection in Interpolation with a Dimensionality Constraint
  M.S. Takyar, A.N. Amini and T.T. Georgiou
  Proc. 45th IEEE Conference on Decision and Control, 2006

2005

• Noninvasive tissue temperature estimation using high-resolution spectral analysis techniques
  A. Nasiri Amini, E. Ebbini, and T.T. Georgiou,
  IEEE Trans. on Biomedical Engineering 52(2): 221-228, February 2005

• Solution of the general moment problem via a one-parameter imbedding
  T.T. Georgiou
  IEEE Trans. on Automatic Control 50(6): 811-826, June 2005

• Avoiding Ambiguity in Beamspace Processing
  A. Nasiri Amini and T.T. Georgiou
  IEEE Signal Processing Letters, 12(5): 372 - 375, May 2005

• Two Alternative Views on Control Design with Degree Constraint
  T.T. Georgiou and A. Lindquist
  Proc. 44th IEEE Conference on Decision and Control, 3645–3650, 2005

• Signal analysis, moment problems & uncertainty measures
  J. Karlsson and T.T. Georgiou
  Proc. 44th IEEE Conference on Decision and Control, 5710–5715, 2005

• Relative Entropy and Moment Problems
  T.T. Georgiou
  Proc. 44th IEEE Conference on Decision and Control, 4397–4403, 2005

2004

• Moment problems and relative entropy
  University of Minnesota, colloquium slides, November 2004

• Numerical solution of the optimal periodic control problem using differential flatness
  S. Varigonda, T.T. Georgiou, and P. Daoutidis
  IEEE Trans. on Automatic Control 49(2): 271 - 275, February 2004

• Noninvasive tissue temperature estimation via state-covariance spectral estimation
  A. Nasiri Amini, E. Ebbini and T.T. Georgiou
  Proc. 10th IEEE DSP workshop, 2004

2003

• Robustness of Feedback Systems
  Mittag Leffler, Stockholm, presentation slides, May 2003

• Kullback-Leibler approximation of spectral density functions
  T.T. Georgiou and A. Lindquist,
  IEEE Trans. on Information Theory 49(11) November 2003

• Toeplitz covariance matrices and the von Neumann relative entropy
  T.T. Georgiou
  Control and Modeling of Complex Systems: Cybernetics in the 21st Century, 23–29, Birkhäuser, 2003

• Structured covariances and related approximation questions
  T.T. Georgiou
  Lecture Notes in Control and Information Sciences, 286: 135–140, Springer-Verlag, 2003

• The mixing of state covariances
  T.T. Georgiou
  Lecture Notes in Control and Information Sciences, 289: 207–212, Springer-Verlag, 2003

2002

• The structure of state covariances and its relation to the power spectrum of the input
  T.T. Georgiou
  IEEE Trans.\ on Automatic Control 47(7): 1056-1066, July 2002

• Spectral analysis based on the state covariance: the maximum entropy spectrum and linear fractional parameterization
  T.T. Georgiou
  IEEE Trans. on Automatic Control 47(11): 1811-1823, November 2002

• Maximal entropy for reconstruction of back projection images
  T.T. Georgiou, P.J. Olver and A. Tannenbaum
  Mathematical Methods in Computer Vision, 133, Springer-Verlag, 2002

• Method and Apparatus for a tunable high-resolution spectral estimator
  C. Byrnes, T.T. Georgiou and A. Lindquist
  U.S. Patent No. 6,400,310, issued June 4, 2002, 2002

• Statistical analysis of state-covariance subspace-estimation methods
  A. Nasiri Amini and T.T. Georgiou
  Proceedings of the 41st IEEE Conference on Decision and Control, 2633–2638, 2002

2001

• Spectral analysis via analytic interpolation
  Fields Institute Toronto, presentation slides, September 2001

• Analytic Interpolation and the Degree Constraint
  T.T. Georgiou
  Int. J. Applied Mathematics and Computer Science January 2001, 11(1): 101-109

• Spectral Estimation by Selective Harmonic Amplification
  T.T. Georgiou
  IEEE Trans.\ on Automatic Control 46(1): 29-42, January 2001

• Dynamics of relay relaxation oscillators
  S. Varigonda and T.T. Georgiou
  IEEE Trans.\ on Automatic Control 46(1): 65-77, January 2001

• Remarks on Robustness Analysis of Nonlinear Feedback Systems An Input-Output Approach
  T.T. Georgiou and M.C. Smith
  IEEE Trans.\ on Automatic Control 46(1): 171-172, January 2001

• On the Computation of Switching Surfaces in Optimal Control: A Groebner Basis Approach
  U. Walther, T.T. Georgiou and A. Tannenbaum
  IEEE Trans.\ on Automatic Control April 2001

• A generalized entropy criterion for Nevanlinna-Pick interpolation: A convex optimization approach to certain problems in systems and control
  C. Byrnes, T.T. Georgiou, and A. Lindquist
  IEEE Trans.\ on Automatic Control 45(6): 822-839, June 2001

• Computational Algorithms for Sparse Optimal Digital Controller Realizations
  I.J. Fialho and T.T. Georgiou
  Digital Controller Implementation and Fragility: A Modern Perspective, Springer-Verlag, 2001

• A flatness based algorithm for optimal periodic control problems
  S. Varigonda, T.T. Georgiou and P. Daoutidis
  Proceedings of the American Control Conference, 831–836, 2001

2000

• A new approach to spectral estimation: A tunable high-resolution spectral estimator
  C. Byrnes, T.T. Georgiou, and A. Lindquist
  IEEE Trans.\ on Signal Processing 48(11): 3189-3206, November 2000

• Signal Estimation via Selective Harmonic Amplification: MUSIC redux
  T.T. Georgiou
  IEEE Trans.\ on Signal Processing 48(3): 780-790, March 2000

• Robustness of a relaxation oscillator
  T.T. Georgiou and M.C. Smith
  International Journal of nonlinear and robust control 10: 1005-1024, October 2000

• Advances in high-resolution spectral estimation
  C. I. Byrnes, T.T. Georgiou and A. Lindquist
  System Theory: Modeling, Analysis and Control, 167–179, Kluwer Academic Publishers, 2000

• Global stability of periodic orbits in relay feedback systems
  S. Varigonda and T.T. Georgiou
  Proceedings of the 39th IEEE Conf. on Decision and Control, 3843–3847, 2000

• High Resolution Sensing and Anisotropic Segmentation for SAR Imagery
  T.T. Georgiou and A. Tannenbaum
  Proceedings of the 39th IEEE Conf. on Decision and Control, 4324–4326, 2000

• Subspace analysis of covariances
  T.T. Georgiou
  Proceedings of the 2000 IEEE International Conference on Acoustics, Speech, and Signal Processing, Istanbul, 1: 269–272, 2000

• Co-invariant subspaces in array processing
  T.T. Georgiou
  Proceedings of the 14th International Symposium on the Mathematical Theory of Networks and Systems (MTNS 2000), Perpignan, France, 2000

1999

• The interpolation problem with a degree constraint
  T.T. Georgiou
  IEEE Trans. on Automatic Control 44(3): 631-635, March 1999

• Worst-Case Analysis of Nonlinear Feedback Systems
  I. Fialho and T. T. Georgiou
  IEEE Trans. on Automatic Control 44(6): 1180-96, June 1999

• Optimal Finite Wordlength Digital Controller Realization
  I. Fialho and T.T. Georgiou
  Proceedings of the 1999 American Control Conference, 1999

• A canonical decomposition for state-covariance matrices with application to MUSIC
  T.T. Georgiou
  Proceedings of the 1999 IEEE Conf. on Decision and Control, 5: 5082–5087, Phoenix, 1999

• Computational Algebraic Geometry and Switching Surfaces in Optimal Control
  U. Walther, T.T. Georgiou and A. Tannenbaum
  Proceedings of the 1999 IEEE Conf. on Decision and Control, Phoenix, 1999

• Analytic interpolation with degree constraint: A constructive theory with applications to control and signal processing
  C.I. Byrnes, T.T. Georgiou and A. Lindquist
  Proceedings of the 38th IEEE Conference on Decision and Control, 1: 982–988, 1999

• Periodic oscillations in systems with hysteresis
  S. Varigonda and T.T. Georgiou
  Proceedings of the 38th IEEE Conference on Decision and Control, Phoenix, 4: 3837–3842, 1999

1998

• Switching surfaces and Groebner bases
  T.T. Georgiou and A. Tannenbaum
  Learning, Control and Hybrid Systems, 241: 81–89, Springer-Verlag, 1998

1997

• Robustness Analysis of Nonlinear Feedback Systems
  T.T. Georgiou and M.C. Smith
  An Input-Output Approach IEEE Trans.\ on Automatic Contr. 42(9): 1200-1221, September 1997

• L1 state-feedback control with a prescribed rate of exponential convergence
  I.J. Fialho and T.T. Georgiou
  IEEE Trans. on Automatic Contr. 42(10): 1476-1481, October 1997

• On a large-gain theorem
  T.T. Georgiou, M. Khammash, and A. Megretski
  Systems and Control letters 32(4): 231-234, December 1997

• Biased norms and metric uncertainty for nonlinear feedback systems
  T.T. Georgiou and M.C. Smith
  Proceedings of the 1997 IEEE Conf. on Decision and Control, 642–643, 1997

• Entrainment and synchrony of relaxation oscillations
  T.T. Georgiou
  Proceedings of the 36th IEEE Conference on Decision and Control, 2: 1155–1156, 1997

1996

• Input-Output Stability
  A. Teel, T.T. Georgiou, L. Praly and E.D. Sontag
  The Control Handbook, 895–908, CRC Press, 1996

1995

• Explicit formulas for optimally robust controllers for delay systems
  H. Dym, T.T. Georgiou, and M.C. Smith
  IEEE Trans.\ on Automatic Contr. 40(4): 656-669, April 1995

• Intrinsic difficulties in using the doubly-infinite time axis for input-output systems theory
  T.T. Georgiou and M.C. Smith
  IEEE Trans.\ on Automatic Contr.\ 40(3): 516-518, March 1995

• On the L1-norm of uncertain linear systems
  I. Fialho and T.T. Georgiou
  IEEE Trans.\on Automatic Contr. 40(6): 1142-1147, June 1995

• Metric uncertainty and nonlinear feedback stabilization
  T.T. Georgiou and M.C. Smith
  Feedback Control, Nonlinear Systems, and Complexity, 202: 88–98, Springer-Verlag, 1995

• Robustness and Performance of Nonlinear Feedback Systems
  I. Fialho and T.T. Georgiou
  Proceedings of the 33rd Annual Allerton Conference on Communication, Control, and Computing, 845–852, 1995

• Distance Measures for Uncertain Nonlinear Systems
  T.T. Georgiou and M.C. Smith
  Proceedings of the 1995 European Control Conference, Rome, 1995

• A variational approach to L_ performance of nonlinear systems
  I. Fialho and T.T. Georgiou
  Proceedings of the 1995 IEEE Conf. on Decision and Control, 823–828, 1995

• Remarks on robustness of nonlinear systems
  T.T. Georgiou and M.C. Smith
  Proceedings of the 1995 IEEE Conf. on Decision and Control, 1662–1663, 1995

1994

• Geometric aspects of the Caratheodory extension problem
  C.Chang and T.T. Georgiou
  Linear Algebra and its Applications 203/4: 209-251, 1994

• On Stability and performance of sampled-data systems subject to wordlength constraint
  I. Fialho and T.T.Georgiou
  IEEE Trans. on Automatic Contr., 39(12): 2476-2481, December 1994

• On the envelope of spectral power of stochastic processes
  C. Shankwitz and T.T. Georgiou
  IEEE Trans. on Information Theory 40(2): 584-588, 1994

• Remarks on Differential stability of nonlinear systems
  T.T. Georgiou
  Proceedings of the 1994 IEEE Conf. on Decision and Control, 1994

1993

• Differential stability and robust control of nonlinear systems
  T.T. Georgiou
  Mathematics of Control, Signals and Systems 6(4): 289-307, 1993

• Graphs, causality and stabilizability: linear, shift-invariant systems on L_2 0,infinity)
  T.T.Georgiou and M.C. Smith
  Mathematics of Control, Signals and Systems 6(3): 195-223, 1993

• Approximation in the gap metric: upper and lower bounds
  T.T. Georgiou and M.C. Smith
  IEEE Trans. on Automatic Control 38(6): 946-951, 1993

• [Robust stability of feedback systems: A geometric approach using the gap metric
  C.Foias, T.T. Georgiou, and M.C. Smith
  SIAM Journal on Control and Optimization 31(6): 1518-37, November 1993

• Flexible Structure Experiments at JPL and WPAFB
  S.Buddie, T.T. Georgiou, Umit Ozguner, and M.C. Smith
  International Journal of Control 58(1): 1-19, 1993

• The parallel projection operators of a nonlinear feedback system
  J.C. Doyle, T.T. Georgiou, and M.C. Smith
  Systems and Control letters 20: 79-85, 1993

• Topological Approaches to Robustness
  T.T. Georgiou and M. C. Smith
  Lecture Notes in Control and Information Sciences, 185: 222–241, Springer-Verlag, 1993

• A note on the Nevanlinna-Schur algorithm with real coefficients
  C.Chang and T.T. Georgiou
  Proceedings of the 1993 IEEE Conf. on Decision and Control, San Antonio, Texas, 2181–2182, 1993

• Direct design of optimal controllers for delay systems
  H. Dym, T.T. Georgiou and M.C. Smith
  Proceedings of the 32nd IEEE Conference on Decision and Control, San Antonio, Texas, 3821–3823, 1993

1992

• On a Schur algorithm based approach to spectral factorization: Connection with the Riccati equation
  C. Chang and T.T. Georgiou
  Linear Algebra and Applications 171: 233-247, 1992

• Robust stabilization in the gap metric: Controller design for distributed plants
  T.T. Georgiou and M.C. Smith
  IEEE Trans. on Automatic Control 37: 1133-1143, August 1992

• Linear systems and robustness: a graph point of view
  T.T. Georgiou and M.C. Smith
  Lecture Notes in Control and Information Sciences, 183: 114–121, Springer-Verlag, 1992

• Identification of linear systems: a stochastic approach based on the graph
  T.T. Georgiou, C. Shankwitz and M.C. Smith
  Proceedings of the 1992 American Control Conference, Chicago, 307–312, 1992

• Flexible structure experiments at JPL and WPAFB
  S. Buddie, T.T. Georgiou, Ü. Özgüner and M.C. Smith
  Proceedings of the 1992 American Control Conference, Chicago, 1675–1680, 1992

• Spectral factorization and Nevanlinna–Pick interpolation: State–space formulae
  C.Chang and T.T. Georgiou
  Proceedings of the 1992 IEEE Conf. on Decision and Control, Tucson, Arizona, 437–442, 1992

• Robust stabilization in the gap metric: a geometric approach
  C. Foiaş, T.T. Georgiou and M.C. Smith
  Recent Advances in Mathematical Theory of Systems, Control, Networks and Signal Processing I, 177–182, 1992

1991

• On a Schur algorithm for spectral factorization: the general case
  C. Chang and T.T. Georgiou
  Proceedings of the 1991 American Control Conference, 1991

• Upper and lower bounds for approximation in the gap metric
  T.T. Georgiou and M.C. Smith
  Proceedings of the 1991 IEEE Conf. on Decision and Control, Brighton, U.K, 2262–2267, 1991

• A weighted gap design-study for the space station
  M. Englehart, T.T. Georgiou and M.C. Smith
  Proceedings of the 1991 IEEE Conf. on Decision and Control, Brighton, U.K, 2372–2374, 1991

• Maximum entropy identification and min-max optimal prediction
  C. Shankwitz and T.T. Georgiou
  Proceedings of the 1991 IEEE Conf. on Decision and Control, Brighton, U.K, 617–622, 1991

1990

• Optimal robustness in the gap metric
  T.T. Georgiou and M.C. Smith
  IEEE Transactions on Automatic Control, 35:673-686, June 1990

• On the maximum entropy method for interval covariance sequences
  C. Shankwitz and T.T. Georgiou,
  IEEE Trans. on Acoustics, Speech, and Signal Processing 38:1815-1817, October 1990

• Robust stabilization in the gap metric
  T.T. Georgiou and M.C. Smith
  Control of Uncertain Systems, 69–82, Birkhäuser, 1990

• Geometric techniques for robust stabilization of linear time-varying systems
  C.Foiaş, T.T. Georgiou and M.C. Smith
  Proceedings of the 1990 IEEE Conf. on Decision and Control, 2868–2873, 1990

• Robust control of feedback systems with combined plant and controller uncertainty
  T.T. Georgiou and M.C. Smith
  Proceedings of the 1990 American Control Conf., San Diego, CA, 2009–2013, 1990

• The Schur algorithm: Connections with the difference Riccati equation, the Chandrasekhar algorithm, and square-root filtering
  C. Chang and T.T. Georgiou
  Signal Processing, Scattering and Operator Theory, and Numerical Methods, 207–213, 1990

1989

• Computational aspects of spectral factorization and the tangential Schur algorithm
  T.T. Georgiou
  IEEE Trans. on Circuits and Systems 36(1): 103-108, January 1989

• Spectral factorization of matrix valued functions using interpolation theory
  T.T. Georgiou and P.P. Khargonekar
  IEEE Trans. on Circuits and Systems 36(4): 568-574, April 1989

• W-stability of feedback systems
  T.T. Georgiou and M.C. Smith
  Systems and Control Letters,13:271-277, November 1989

• Uniformly optimal control for nonlinear systems
  C. Foias, A. Tannenbaum, D. Enns, T.T. Georgiou, M. Jackson and B. Schipper
  Proceedings of the 1989 IEEE Conf. on Decision and Control, Tampa, FL, 986–989, 1989

• On the degeneracy of Toeplitz matrices having a rational symbol
  T.T. Georgiou
  abstract, 1989

1988

• On a Schur-algorithm based approach to spectral factorization: State-space formulae
  T.T. Georgiou
  Systems and Control Letters, 10(2): 123-129, February 1988

• Stability theory for Linear Time-Invariant Plants with Periodic Digital Controllers
  B.A. Francis and T.T. Georgiou
  IEEE Trans. on Automatic Control 33(9): 820-832, September 1988

• Pointwise Stabilizability of Families of Linear Time Invariant Plants
  A.M. Pascoal, P.P. Khargonekar, and T.T. Georgiou
  IEEE Trans. on Automatic Control, 33(12): 1161-1165, December 1988

• On the computation of the gap metric
  T.T. Georgiou
  Systems and Control Letters, 11(4): 253-257, October 1988

• Spectral factorization of matrix-valued functions using interpolation theory: State-space formulae
  T.T. Georgiou
  Linear Circuits, Systems and Signal Processing: Theory and Application, 525–532, 1988

1987

• On the robust stabilizability of linear time-invariant plants with unstructured uncertainty
  P.P. Khargonekar, T.T. Georgiou, and A.M. Pascoal
  IEEE Trans. on Automatic Control AC-32: 201-207, March 1987

• A constructive algorithm for sensitivity optimization of periodic systems
  T.T. Georgiou and P.P. Khargonekar
  SIAM J. on Control and Optimization 25(2): 334-340, March 1987

• Interpolation of binary series based on discrete time Markov chain models
  E. Foufoula-Georgiou and T.T. Georgiou
  Water Resources Research 23(3): 515-518, March 1987

• Realization of power spectra from partial covariance sequences
  T.T. Georgiou
  IEEE Trans. on Acoustics, Speech, and Signal Processing, AASP-35(4): 438-449, April 1987

• Spectral factorization and Nevanlinna-Pick interpolation
  T.T. Georgiou and P.P. Khargonekar
  SIAM J. on Control and Optimization, 25(3): 754-766, May 1987

• A topological approach to Nevanlinna-Pick interpolation
  T.T. Georgiou
  SIAM J. on Mathematical Analysis, 18(5): 1248-1260, September 1987

• On the robust stabilizability of uncertain linear time-invariant plants using nonlinear time-varying controllers
  T.T. Georgiou, A.M. Pascoal, and P.P. Khargonekar
  Automatica, 23(5): 617-624, September 1987

1986

• Linear fractional transformations and spectral factorization
  T.T. Georgiou and P.P. Khargonekar
  IEEE Trans. on Automatic Control AC-31: 345-347, April 1986

• Robust stabilizability of linear time-invariant plants: Nonlinear time-varying controllers
  P.P. Khargonekar, T.T. Georgiou and A.M. Pascoal
  Proceedings of the 1986 IEEE Conf. on Decision and Control, Athens, Greece, 832–837, 1986

• Spectral factorization using analytic interpolation theory
  T.T. Georgiou and P.P. Khargonekar
  Proceedings of the 1986 IEEE International conference on Decision and Control, Athens, Greece, 7–11, 1986

1984

• A topological view of the Nevanlinna-Pick problem: solutions of dimension n
  T.T. Georgiou
  Proceedings of the IEEE Conf. on Decision and Control, 315–319, 1984

• Robotics in Engineering Curriculum
  T.T. Georgiou, F. Hamano, Z. Roth and Y. Shamash
  Proceedings of the 1984 Frontiers in Education Conference, August, 1984

• Topological aspects of the Carathéodory problem
  T.T. Georgiou
  Proceedings of ICASSP’84, IEEE International Conference on Acoustics, Speech, and Signal Processing, 9: 220–223, 1984

1983

• Skew prime polynomial matrices: the polynomial model approach
  P.P. Khargonekar, T.T. Georgiou, and A.B. Ozguler
  Linear Algebra and Applications, 50, April 1983, pp. 403-435

• Partial Realization of Covariance Sequences
  T.T. Georgiou
  Dissertation, Dept. of Electrical Engineering, CMST, University of Florida, 1983

1982

• On the partial realization problem for partial covariance sequences
  T.T. Georgiou and P.P. Khargonekar
  Proceedings of the Princeton Conference on Information Sciences and Systems, p. 181, 1982

1981

• Skew prime polynomial matrices and invariant subspaces
  P.P. Khargonekar, T.T. Georgiou and A.B. Özgüler
  Proceedings of the 5th International Symposium on the Mathematical Theory of Networks and Systems (MTNS 1981), 139–143, 1981