
A. Dwivedi.
Global inputoutput analysis of flow instabilities in highspeed compressible flows.
PhD thesis,
University of Minnesota,
2020.
Keyword(s): Adjoint equations,
Baseflow sensitivity,
Compressible flows,
Compression ramp flow,
Direct numerical simulations,
Energy amplification,
Flow modeling and control,
Global stability analysis,
Hypersonic flows,
Inputoutput analysis,
Shock Boundary layer interaction,
Reattachment vortices,
Transient growth,
Transition to turbulence.
@PHDTHESIS{anubhavphd20,
AUTHOR = {A. Dwivedi},
SCHOOL = {University of Minnesota},
TITLE = {Global inputoutput analysis of flow instabilities in highspeed compressible flows},
YEAR = {2020},
KEYWORDS = {Adjoint equations, Baseflow sensitivity, Compressible flows, Compression ramp flow, Direct numerical simulations, Energy amplification, Flow modeling and control, Global stability analysis, Hypersonic flows, Inputoutput analysis, Shock Boundary layer interaction, Reattachment vortices, Transient growth, Transition to turbulence},
PDF = {https://viterbiweb.usc.edu/~mihailo/theses/AnubhavDwivediPhD.pdf}
}

G. Hariharan.
Transition to elastic turbulence in channel flows.
PhD thesis,
University of Minnesota,
2020.
Keyword(s): Distributed systems theory,
Computational tools for spatially distributed systems,
Flow modeling and control,
Viscoelastic fluids,
Inputoutput analysis,
Elastic turbulence,
Transition to turbulence,
Uncertainty quantification in PDEs,
Spatiotemporal impulse responses,
Spatiotemporal frequency responses,
Spectral integration method.
@PHDTHESIS{gokulphd20,
AUTHOR = {G. Hariharan},
SCHOOL = {University of Minnesota},
TITLE = {Transition to elastic turbulence in channel flows},
YEAR = {2020},
KEYWORDS = {Distributed systems theory, Computational tools for spatially distributed systems, Flow modeling and control, Viscoelastic fluids, Inputoutput analysis, Elastic turbulence, Transition to turbulence, Uncertainty quantification in PDEs, Spatiotemporal impulse responses, Spatiotemporal frequency responses, Spectral integration method},
PDF = {https://viterbiweb.usc.edu/~mihailo/theses/GokulHariharanPhD.pdf}
}

W. Ran.
Modeling and analysis of parallel and spatiallyevolving wallbounded shear flows.
PhD thesis,
University of Southern California,
2020.
Keyword(s): Boundary layers,
Boundary layer receptivity,
Controloriented modeling,
Distributed systems,
Drag reduction,
Energy amplification,
Floquet theory,
Flow modeling and control,
Freestream turbulence,
Lowcomplexity modeling,
NavierStokes equations,
Parabolized Floquet equations,
Parabolized stability equations,
Riblets,
Sensorfree flow control,
Spatiallyevolving flows,
Spatiallyperiodic systems,
Spatiotemporal frequency responses,
Stochasticallyforced NavierStokes equations,
Transition to turbulence,
Turbulence modeling.
@PHDTHESIS{weiphd20,
AUTHOR = {W. Ran},
SCHOOL = {University of Southern California},
TITLE = {Modeling and analysis of parallel and spatiallyevolving wallbounded shear flows},
YEAR = {2020},
KEYWORDS = {Boundary layers, Boundary layer receptivity, Controloriented modeling, Distributed systems, Drag reduction, Energy amplification, Floquet theory, Flow modeling and control, Freestream turbulence, Lowcomplexity modeling, NavierStokes equations, Parabolized Floquet equations, Parabolized stability equations, Riblets, Sensorfree flow control, Spatiallyevolving flows, Spatiallyperiodic systems, Spatiotemporal frequency responses, Stochasticallyforced NavierStokes equations, Transition to turbulence, Turbulence modeling},
PDF = {https://viterbiweb.usc.edu/~mihailo/theses/WeiRanPhD.pdf}
}

D. Ding,
X. Wei,
Z. Yang,
Z. Wang,
and M. R. Jovanovic.
Fast multiagent temporaldifference learning via homotopy stochastic primaldual optimization.
IEEE Trans. Automat. Control,
2020.
Note: Submitted; also arXiv:1908.02805.
Keyword(s): Convex optimization,
Distributed temporaldifference learning,
Multiagent systems,
Primaldual algorithms,
Reinforcement learning,
Stochastic optimization.
@ARTICLE{dinweiyanwanjovTAC20,
AUTHOR = {D. Ding and X. Wei and Z. Yang and Z. Wang and M. R. Jovanovi\'c},
TITLE = {Fast multiagent temporaldifference learning via homotopy stochastic primaldual optimization},
JOURNAL = {IEEE Trans. Automat. Control},
YEAR = {2020},
NOTE = {submitted; also arXiv:1908.02805},
PDF = {https://arxiv.org/abs/1908.02805},
KEYWORDS = {Convex optimization, Distributed temporaldifference learning, Multiagent systems, Primaldual algorithms, Reinforcement learning, Stochastic optimization}
}

A. Dwivedi,
N. Hildebrand,
J. W. Nichols,
G. V. Candler,
and M. R. Jovanovic.
Transient growth analysis of oblique shock wave/boundarylayer interactions at Mach 5.92.
Phys. Rev. Fluids,
5(6):063904 (20 pages),
June 2020.
Keyword(s): Adjoint equations,
Baseflow sensitivity,
Compressible flows,
Direct numerical simulations,
Energy amplification,
Global stability analysis,
Flow modeling and control,
Hypersonic flows,
Transient growth,
Transition to turbulence.
@ARTICLE{dwihilniccanjovPRF20,
AUTHOR = {A. Dwivedi and N. Hildebrand and J. W. Nichols and G. V. Candler and M. R. Jovanovi\'c},
TITLE = {Transient growth analysis of oblique shock wave/boundarylayer interactions at {M}ach 5.92},
JOURNAL = {Phys. Rev. Fluids},
VOLUME = {5},
NUMBER = {6},
MONTH = {June},
PAGES = {063904 (20 pages)},
YEAR = {2020},
PDF = {https://viterbiweb.usc.edu/~mihailo/papers/dwihilniccanjovPRF20.pdf},
KEYWORDS = {Adjoint equations, Baseflow sensitivity, Compressible flows, Direct numerical simulations, Energy amplification, Global stability analysis, Flow modeling and control, Hypersonic flows, Transient growth, Transition to turbulence}
}

A. Zare,
T. T. Georgiou,
and M. R. Jovanovic.
Stochastic dynamical modeling of turbulent flows.
Annu. Rev. Control Robot. Auton. Syst.,
3:195219,
May 2020.
Keyword(s): Colored noise,
Convex optimization,
Disturbance dynamics,
Flow modeling and control,
Lowcomplexity modeling,
Lowrank approximation,
Matrix completion problems,
Nuclear norm regularization,
Structured covariances,
Turbulence modeling.
@ARTICLE{zargeojovARC20,
AUTHOR = {A. Zare and T. T. Georgiou and M. R. Jovanovi\'c},
TITLE = {Stochastic dynamical modeling of turbulent flows},
JOURNAL = {Annu. Rev. Control Robot. Auton. Syst.},
YEAR = {2020},
VOLUME = {3},
PAGES = {195219},
MONTH = {May},
PDF = {https://viterbiweb.usc.edu/~mihailo/papers/zargeojovARC20.pdf},
KEYWORDS = {Colored noise, Convex optimization, Disturbance dynamics, Flow modeling and control, Lowcomplexity modeling, Lowrank approximation, Matrix completion problems, Nuclear norm regularization, Structured covariances, Turbulence modeling}
}

A. Zare,
H. Mohammadi,
N. K. Dhingra,
T. T. Georgiou,
and M. R. Jovanovic.
Proximal algorithms for largescale statistical modeling and sensor/actuator selection.
IEEE Trans. Automat. Control,
65(8):34413456,
August 2020.
Keyword(s): Actuator selection,
Augmented Lagrangian,
Convex optimization,
Lowrank perturbation,
Matrix completion problem,
Method of multipliers,
Nonsmooth optimization,
Proximal algorithms,
Regularization for design,
Sensor selection,
Sparsitypromoting optimal control,
Structured covariances.
@ARTICLE{zarmohdhigeojovTAC20,
AUTHOR = {A. Zare and H. Mohammadi and N. K. Dhingra and T. T. Georgiou and M. R. Jovanovi\'c},
TITLE = {Proximal algorithms for largescale statistical modeling and sensor/actuator selection},
JOURNAL = {IEEE Trans. Automat. Control},
VOLUME = {65},
NUMBER = {8},
PAGES = {34413456},
MONTH = {August},
YEAR = {2020},
PDF = {https://viterbiweb.usc.edu/~mihailo/papers/zarmohdhigeojovTAC20.pdf},
KEYWORDS = {Actuator selection, Augmented Lagrangian, Convex optimization, Lowrank perturbation, Matrix completion problem, Method of multipliers, Nonsmooth optimization, Proximal algorithms, Regularization for design, Sensor selection, Sparsitypromoting optimal control, Structured covariances}
}

D. Ding and M. R. Jovanovic.
Global exponential stability of primaldual gradient flow dynamics based on the proximal augmented Lagrangian: A Lyapunovbased approach.
In Proceedings of the 59th IEEE Conference on Decision and Control,
Jeju Island, Republic of Korea,
pages 48364841,
2020.
Keyword(s): Augmented Lagrangian,
Control for optimization,
Convex optimization,
Global exponential stability,
Lyapunovbased approach,
Nonsmooth optimization,
Primaldual gradient flow dynamics,
Primaldual methods,
Proximal augmented Lagrangian.
@INPROCEEDINGS{dinjovCDC20,
AUTHOR = {D. Ding and M. R. Jovanovi\'c},
TITLE = {Global exponential stability of primaldual gradient flow dynamics based on the proximal augmented {L}agrangian: {A} {L}yapunovbased approach},
BOOKTITLE = {Proceedings of the 59th IEEE Conference on Decision and Control},
ADDRESS = {Jeju Island, Republic of Korea},
YEAR = {2020},
PAGES = {48364841},
PDF = {https://viterbiweb.usc.edu/~mihailo/papers/dinjovCDC20.pdf},
KEYWORDS = {Augmented Lagrangian, Control for optimization, Convex optimization, Global exponential stability, Lyapunovbased approach, Nonsmooth optimization, Primaldual gradient flow dynamics, Primaldual methods, Proximal augmented Lagrangian}
}

D. Ding,
K. Zhang,
T. Basar,
and M. R. Jovanovic.
Natural policy gradient primaldual method for constrained Markov decision processes.
In Proceedings of the 34th Conference on Neural Information Processing Systems,
Vancouver, Canada,
2020.
Keyword(s): Constrained Markov decision processes,
Policy gradient methods,
Primaldual algorithms,
Minimax optimization.
@INPROCEEDINGS{dinzhabasjovNIPS20,
AUTHOR = {D. Ding and K. Zhang and T. Basar and M. R. Jovanovi\'c},
BOOKTITLE = {Proceedings of the 34th Conference on Neural Information Processing Systems},
TITLE = {Natural policy gradient primaldual method for constrained {M}arkov decision processes},
YEAR = {2020},
ADDRESS = {Vancouver, Canada},
PDF = {https://viterbiweb.usc.edu/~mihailo/papers/dinzhabasjovNIPS20.pdf},
KEYWORDS = {Constrained Markov decision processes, Policy gradient methods, Primaldual algorithms, Minimax optimization}
}

A. Dwivedi,
G. V. Candler,
and M. R. Jovanovic.
A frequency domain analysis of compressible linearized NavierStokes equations in a hypersonic compression ramp flow.
In Proceedings of the 2020 American Control Conference,
Denver, CO,
pages 43254330,
2020.
Keyword(s): Compressible flows,
Compression ramp flow,
Flow modeling and control,
Hypersonic flows,
InputOutput analysis,
Shock Boundary layer interaction,
Reattachment vortices,
Transition to turbulence.
@INPROCEEDINGS{dwicanjovACC20,
AUTHOR = {A. Dwivedi and G. V. Candler and M. R. Jovanovi\'c},
TITLE = {A frequency domain analysis of compressible linearized {N}avier{S}tokes equations in a hypersonic compression ramp flow},
BOOKTITLE = {Proceedings of the 2020 American Control Conference},
PAGES = {43254330},
YEAR = {2020},
ADDRESS = {Denver, CO},
PDF = {https://viterbiweb.usc.edu/~mihailo/papers/dwicanjovACC20.pdf},
KEYWORDS = {Compressible flows, Compression ramp flow, Flow modeling and control, Hypersonic flows, InputOutput analysis, Shock Boundary layer interaction, Reattachment vortices, Transition to turbulence}
}

S. HassanMoghaddam and M. R. Jovanovic.
Global exponential stability of the DouglasRachford splitting dynamics.
In Preprints of the 21th IFAC World Congress,
Berlin, Germany,
pages 73507354,
2020.
Keyword(s): Control for optimization,
Convex Optimization,
Forwardbackward envelope,
DouglasRachford splitting,
Global exponential stability,
Integral quadratic constraints,
Nonsmooth optimization,
PolyakLojasiewicz inequality,
Proximal algorithms,
Primaldual methods,
Proximal augmented Lagrangian.
@INPROCEEDINGS{mogjovIFAC20,
AUTHOR = {S. HassanMoghaddam and M. R. Jovanovi\'c},
BOOKTITLE = {Preprints of the 21th IFAC World Congress},
TITLE = {Global exponential stability of the {D}ouglas{R}achford splitting dynamics},
YEAR = {2020},
ADDRESS = {Berlin, Germany},
PAGES = {73507354},
PDF = {https://viterbiweb.usc.edu/~mihailo/papers/mogjovIFAC20.pdf},
KEYWORDS = {Control for optimization, Convex Optimization, Forwardbackward envelope, DouglasRachford splitting, Global exponential stability, Integral quadratic constraints, Nonsmooth optimization, PolyakLojasiewicz inequality, Proximal algorithms, Primaldual methods, Proximal augmented Lagrangian}
}

H. Mohammadi,
M. Soltanolkotabi,
and M. R. Jovanovic.
Learning the modelfree linear quadratic regulator via random search.
In Proceedings of Machine Learning Research, 2nd Annual Conference on Learning for Dynamics and Control,
volume 120,
Berkeley, CA,
pages 19,
2020.
Keyword(s): Datadriven control,
Gradient descent,
Gradientflow dynamics,
Linear quadratic regulator,
Modelfree control,
Nonconvex optimization,
Optimization,
Optimal control,
PolyakLojasiewicz inequality,
Random search method,
Reinforcement learning,
Sample complexity.
@INPROCEEDINGS{mohsoljovL4DC20,
AUTHOR = {H. Mohammadi and M. Soltanolkotabi and M. R. Jovanovi\'c},
TITLE = {Learning the modelfree linear quadratic regulator via random search},
BOOKTITLE = {Proceedings of Machine Learning Research, 2nd Annual Conference on Learning for Dynamics and Control},
VOLUME = {120},
PAGES = {19},
YEAR = {2020},
ADDRESS = {Berkeley, CA},
PDF = {https://viterbiweb.usc.edu/~mihailo/papers/mohsoljovL4DC20.pdf},
KEYWORDS = {Datadriven control, Gradient descent, Gradientflow dynamics, Linear quadratic regulator, Modelfree control, Nonconvex optimization, Optimization, Optimal control, PolyakLojasiewicz inequality, Random search method, Reinforcement learning, Sample complexity}
}

H. Mohammadi,
M. Soltanolkotabi,
and M. R. Jovanovic.
Random search for learning the linear quadratic regulator.
In Proceedings of the 2020 American Control Conference,
Denver, CO,
pages 47984803,
2020.
Keyword(s): Datadriven control,
Gradient descent,
Gradientflow dynamics,
Linear quadratic regulator,
Modelfree control,
Nonconvex optimization,
Optimization,
Optimal control,
PolyakLojasiewicz inequality,
Random search method,
Reinforcement learning,
Sample complexity.
@INPROCEEDINGS{mohsoljovACC20,
AUTHOR = {H. Mohammadi and M. Soltanolkotabi and M. R. Jovanovi\'c},
TITLE = {Random search for learning the linear quadratic regulator},
BOOKTITLE = {Proceedings of the 2020 American Control Conference},
PAGES = {47984803},
YEAR = {2020},
ADDRESS = {Denver, CO},
PDF = {https://viterbiweb.usc.edu/~mihailo/papers/mohsoljovACC20.pdf},
KEYWORDS = {Datadriven control, Gradient descent, Gradientflow dynamics, Linear quadratic regulator, Modelfree control, Nonconvex optimization, Optimization, Optimal control, PolyakLojasiewicz inequality, Random search method, Reinforcement learning, Sample complexity}
}

W. Ran,
A. Zare,
M. J. P. Hack,
and M. R. Jovanovic.
Boundary layer receptivity analysis via the algebraic Lyapunov equation.
In Proceedings of the 2020 AIAA SciTech Forum and Exposition,
Orlando, FL,
pages 0109 (15 pages),
2020.
Keyword(s): Boundary layers,
Boundary layer receptivity,
Controloriented modeling,
Distributed systems,
Energy amplification,
Flow modeling and control,
Freestream turbulence,
Lowcomplexity modeling,
NavierStokes equations,
Spatiallyevolving flows,
Transition to turbulence.
@INPROCEEDINGS{ranzarhacjovAIAA20,
AUTHOR = {W. Ran and A. Zare and M. J. P. Hack and M. R. Jovanovi\'c},
BOOKTITLE = {Proceedings of the 2020 AIAA SciTech Forum and Exposition},
TITLE = {Boundary layer receptivity analysis via the algebraic {L}yapunov equation},
PAGES = {0109 (15 pages)},
YEAR = {2020},
ADDRESS = {Orlando, FL},
PDF = {https://viterbiweb.usc.edu/~mihailo/papers/ranzarhacjovAIAA20.pdf},
KEYWORDS = {Boundary layers, Boundary layer receptivity, Controloriented modeling, Distributed systems, Energy amplification, Flow modeling and control, Freestream turbulence, Lowcomplexity modeling, NavierStokes equations, Spatiallyevolving flows, Transition to turbulence}
}

W. Ran,
A. Zare,
and M. R. Jovanovic.
Frequencyresponse analysis of riblets for turbulent drag reduction.
In Proceedings of the 24th International Symposium on Mathematical Theory of Network and Systems,
Cambridge, UK,
2020.
Note: Submitted.
Keyword(s): Drag reduction,
Riblets,
Sensorfree flow control,
Spatiallyperiodic systems,
Spatiotemporal frequency responses,
Stochasticallyforced NavierStokes equations,
Turbulence modeling.
@INPROCEEDINGS{ranzarjovMTNS20,
AUTHOR = {W. Ran and A. Zare and M. R. Jovanovi\'c },
BOOKTITLE = {Proceedings of the 24th International Symposium on Mathematical Theory of Network and Systems},
TITLE = {Frequencyresponse analysis of riblets for turbulent drag reduction},
YEAR = {2020},
ADDRESS = {Cambridge, UK},
NOTE= {submitted},
KEYWORDS = {Drag reduction, Riblets, Sensorfree flow control, Spatiallyperiodic systems, Spatiotemporal frequency responses, Stochasticallyforced NavierStokes equations, Turbulence modeling}
}

S. Samuelson,
H. Mohammadi,
and M. R. Jovanovic.
On the transient growth of Nesterov's accelerated method for strongly convex optimization problems.
In Proceedings of the 59th IEEE Conference on Decision and Control,
Jeju Island, Republic of Korea,
pages 59115916,
2020.
Note: (Invited paper).
Keyword(s): Accelerated firstorder algorithms,
Control for optimization,
Convex optimization,
Gradient descent,
Integral quadratic constraints,
Nesterov's accelerated method,
Nonnormal dynamics,
Transient growth.
@INPROCEEDINGS{sammohjovCDC20,
AUTHOR = {S. Samuelson and H. Mohammadi and M. R. Jovanovi\'c},
BOOKTITLE = {Proceedings of the 59th IEEE Conference on Decision and Control},
TITLE = {On the transient growth of {N}esterov's accelerated method for strongly convex optimization problems},
YEAR = {2020},
ADDRESS = {Jeju Island, Republic of Korea},
PAGES = {59115916},
NOTE = {(Invited paper)},
PDF = {https://viterbiweb.usc.edu/~mihailo/papers/sammohjovCDC20.pdf},
KEYWORDS = {Accelerated firstorder algorithms, Control for optimization, Convex optimization, Gradient descent, Integral quadratic constraints, Nesterov's accelerated method, Nonnormal dynamics, Transient growth}
}

S. Samuelson,
H. Mohammadi,
and M. R. Jovanovic.
Transient growth of accelerated firstorder methods.
In Proceedings of the 2020 American Control Conference,
Denver, CO,
pages 28582863,
2020.
Keyword(s): Accelerated firstorder algorithms,
Control for optimization,
Convex optimization,
Gradient descent,
Transient growth.
@INPROCEEDINGS{sammohjovACC20,
AUTHOR = {S. Samuelson and H. Mohammadi and M. R. Jovanovi\'c},
TITLE = {Transient growth of accelerated firstorder methods},
BOOKTITLE = {Proceedings of the 2020 American Control Conference},
PAGES = {28582863},
YEAR = {2020},
ADDRESS = {Denver, CO},
PDF = {https://viterbiweb.usc.edu/~mihailo/papers/sammohjovACC20.pdf},
KEYWORDS = {Accelerated firstorder algorithms, Control for optimization, Convex optimization, Gradient descent, Transient growth}
}