@book{trefethen2005spectra,
  author    = {Lloyd N. Trefethen and Mark Embree},
  title     = {Spectra and Pseudospectra: The Behavior of Nonnormal Matrices and Operators},
  publisher = {Princeton University Press},
  year      = {2005},
  doi       = {10.1515/9781400840274}
}

@article{trefethen1993hydrodynamic,
  author  = {Lloyd N. Trefethen and Anne E. Trefethen and Satish C. Reddy and Tobin A. Driscoll},
  title   = {Hydrodynamic Stability Without Eigenvalues},
  journal = {Science},
  volume  = {261},
  number  = {5121},
  pages   = {578--584},
  year    = {1993},
  doi     = {10.1126/science.261.5121.578}
}

@article{schmid2007nonmodal,
  author  = {Peter J. Schmid},
  title   = {Nonmodal stability theory},
  journal = {Annual Review of Fluid Mechanics},
  volume  = {39},
  pages   = {129--162},
  year    = {2007},
  doi     = {10.1146/annurev.fluid.38.050304.092139}
}

@article{farrell1996generalized,
  author  = {Brian F. Farrell and Petros J. Ioannou},
  title   = {Generalized stability theory. Part I: Autonomous operators},
  journal = {Journal of the Atmospheric Sciences},
  volume  = {53},
  number  = {14},
  pages   = {2025--2040},
  year    = {1996},
  doi     = {10.1175/1520-0469(1996)053<2025:GSTPIA>2.0.CO;2}
}

@article{farrell1994variance,
  author  = {Brian F. Farrell and Petros J. Ioannou},
  title   = {Variance Maintained by Stochastic Forcing of Non-Normal Dynamical Systems Associated with Linearly Stable Shear Flows},
  journal = {Physical Review Letters},
  volume  = {72},
  number  = {8},
  pages   = {1188--1191},
  year    = {1994},
  doi     = {10.1103/PhysRevLett.72.1188}
}

@article{bamieh2001energy,
  author  = {Bassam Bamieh and Munther Dahleh},
  title   = {Energy Amplification in Channel Flows with Stochastic Excitation},
  journal = {Physics of Fluids},
  volume  = {13},
  number  = {11},
  pages   = {3258--3269},
  year    = {2001},
  doi     = {10.1063/1.1398044}
}

@article{jovanovic2005componentwise,
  author  = {Mihailo R. Jovanovic and Bassam Bamieh},
  title   = {Componentwise Energy Amplification in Channel Flows},
  journal = {Journal of Fluid Mechanics},
  volume  = {534},
  pages   = {145--183},
  year    = {2005},
  doi     = {10.1017/S0022112005004295}
}

@article{frame2024statistical,
  author  = {Matthew Frame and Aaron Towne and Mihailo R. Jovanovic},
  title   = {Beyond optimal disturbances: A statistical framework for transient growth},
  journal = {Journal of Fluid Mechanics},
  volume  = {983},
  pages   = {A2},
  year    = {2024},
  doi     = {10.1017/jfm.2024.100}
}

@incollection{li2023kreiss,
  author    = {Feng Li},
  title     = {Control of plane Poiseuille flow using the Kreiss constant},
  booktitle = {Learning and Control for Networked Dynamical Systems},
  series    = {Lecture Notes in Mathematics},
  publisher = {Springer},
  year      = {2023},
  doi       = {10.1007/978-3-031-20875-1_5}
}

@article{brunton2022koopman,
  author  = {Steven L. Brunton and Marko Budisic and Eurika Kaiser and J. Nathan Kutz},
  title   = {Modern Koopman theory for dynamical systems},
  journal = {SIAM Review},
  volume  = {64},
  number  = {2},
  pages   = {229--340},
  year    = {2022},
  doi     = {10.1137/21M1401243}
}

@article{williams2015edmd,
  author  = {Matthew O. Williams and Ioannis G. Kevrekidis and Clarence W. Rowley},
  title   = {A Data-Driven Approximation of the Koopman Operator: Extending Dynamic Mode Decomposition},
  journal = {Journal of Nonlinear Science},
  volume  = {25},
  number  = {6},
  pages   = {1307--1346},
  year    = {2015},
  doi     = {10.1007/s00332-015-9258-5}
}

@article{proctor2016dmdc,
  author  = {Joshua L. Proctor and Steven L. Brunton and J. Nathan Kutz},
  title   = {Dynamic Mode Decomposition with Control},
  journal = {SIAM Journal on Applied Dynamical Systems},
  volume  = {15},
  number  = {1},
  pages   = {142--161},
  year    = {2016},
  doi     = {10.1137/15M1013857}
}

@article{korda2018koopman,
  author  = {Milan Korda and Igor Mezic},
  title   = {Linear Predictors for Nonlinear Dynamical Systems: Koopman Operator Meets Model Predictive Control},
  journal = {Automatica},
  volume  = {93},
  pages   = {149--160},
  year    = {2018},
  doi     = {10.1016/j.automatica.2018.03.046}
}

@inproceedings{cheng2019control,
  author    = {Richard Cheng and Abhinav Verma and Gabor Orosz and Swarat Chaudhuri and Yisong Yue and Joel W. Burdick},
  title     = {Control Regularization for Reduced Variance Reinforcement Learning},
  booktitle = {Proceedings of the 36th International Conference on Machine Learning (ICML)},
  series    = {Proceedings of Machine Learning Research},
  volume    = {97},
  pages     = {1141--1150},
  year      = {2019}
}

@inproceedings{fujimoto2018td3,
  author    = {Scott Fujimoto and Herke van Hoof and David Meger},
  title     = {Addressing Function Approximation Error in Actor-Critic Methods},
  booktitle = {Proceedings of the 35th International Conference on Machine Learning (ICML)},
  series    = {Proceedings of Machine Learning Research},
  volume    = {80},
  pages     = {1587--1596},
  year      = {2018}
}

@inproceedings{mysore2021caps,
  author    = {Siddharth Mysore and Bachir Mabsout and Renato Mancuso and Kate Saenko},
  title     = {Regularizing Action Policies for Smooth Control with Reinforcement Learning},
  booktitle = {Proceedings of the IEEE International Conference on Robotics and Automation (ICRA)},
  pages     = {9516--9522},
  year      = {2021},
  doi       = {10.1109/ICRA48506.2021.9561138}
}

@inproceedings{raffin2022smooth,
  author    = {Antonin Raffin and Jens Kober and Freek Stulp},
  title     = {Smooth Exploration for Robotic Reinforcement Learning},
  booktitle = {Proceedings of the 5th Conference on Robot Learning (CoRL)},
  series    = {Proceedings of Machine Learning Research},
  volume    = {164},
  pages     = {1634--1644},
  year      = {2022}
}

@article{piao2022smooth,
  author  = {Y. Piao and Z. Zhang and J. Chen},
  title   = {Learning smooth motion planning for intelligent aerial transportation vehicles by stable auxiliary gradient},
  journal = {IEEE Transactions on Intelligent Transportation Systems},
  volume  = {23},
  number  = {12},
  pages   = {24464--24474},
  year    = {2022},
  doi     = {10.1109/TITS.2022.3198766}
}

@misc{kwak2026smooth,
  author       = {Kyoleen Kwak and Hyoseok Hwang},
  title        = {Enhancing control policy smoothness by aligning actions with predictions from preceding states},
  howpublished = {arXiv:2601.18479},
  year         = {2026},
}

@inproceedings{gronauer2023quadrotor,
  author    = {S. Gronauer and P. Gottwald and K. Diepold},
  title     = {Comparing quadrotor control policies for zero-shot reinforcement learning under uncertainty and partial observability},
  booktitle = {Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)},
  year      = {2023},
  doi       = {10.1109/IROS55552.2023.10341941}
}

@inproceedings{song2022benchmark,
  author       = {Yunlong Song and Angel Romero and Matthias Mueller and Vladlen Koltun and Davide Scaramuzza},
  title        = {A benchmark comparison of learned control policies for agile quadrotor flight},
  booktitle    = {Proceedings of the IEEE International Conference on Robotics and Automation (ICRA)},
  pages        = {5715--5722},
  year         = {2022},
  doi          = {10.1109/ICRA46639.2022.9811565}
}

@inproceedings{bauersfeld2021neurobem,
  author       = {Leonard Bauersfeld and Elia Kaufmann and Philipp Foehn and Sihao Sun and Davide Scaramuzza},
  title        = {NeuroBEM: Hybrid aerodynamic quadrotor model},
  booktitle    = {Proceedings of Robotics: Science and Systems (RSS)},
  year         = {2021},
  doi          = {10.15607/RSS.2021.XVII.026}
}

@article{smid2023online,
  author       = {J. Smid and A. Novak and M. Hromcik},
  title        = {Online learning and control for data-augmented quadrotor model},
  journal      = {IFAC-PapersOnLine},
  volume       = {58},
  number       = {15},
  pages        = {348--353},
  year         = {2024},
  doi          = {10.1016/j.ifacol.2024.08.068}
}

@inproceedings{tabassum2023koopman,
  author    = {Asma Tabassum and He Bai},
  title     = {Data-Driven Koopman-Based Modeling and Control of Quadcopter in a Turbulent Wind Field},
  booktitle = {Proceedings of the IEEE Conference on Control Technology and Applications (CCTA)},
  pages     = {490--495},
  year      = {2023},
  doi       = {10.1109/CCTA54093.2023.10253454}
}

@article{zheng2024system,
  author    = {Ketong Zheng and Peng Huang and Andres Mauricio Villamil Sanchez and Jonathan Alejandro Casas Bocanegra and Gerhard Fettweis},
  title     = {System-Oriented Learning: An Efficient DNN Learning Approach for Koopman Bilinear Representation with Control},
  journal   = {Machine Learning: Science and Technology},
  volume    = {5},
  number    = {1},
  pages     = {015013},
  year      = {2024},
  doi       = {10.1088/2632-2153/adb9b5}
}

@article{manzoor2024compound,
  author  = {T. Manzoor and Y. Xia and Z. Sun},
  title   = {Compound learning-based model predictive control approach for ducted-fan aerial vehicles},
  journal = {IEEE Transactions on Neural Networks and Learning Systems},
  volume  = {36},
  number  = {5},
  pages   = {6386--6398},
  year    = {2024},
  doi     = {10.1109/TNNLS.2024.3422401}
}

@article{chee2021knode,
  author       = {K. Y. Chee and T. Z. Jiahao and M. A. Hsieh},
  title        = {KNODE-MPC: A knowledge-based data-driven predictive control framework for aerial robots},
  journal      = {IEEE Robotics and Automation Letters},
  volume       = {7},
  number       = {2},
  pages        = {2819--2826},
  year         = {2022},
  doi          = {10.1109/LRA.2022.3145484}
}

@article{moin2024actorcritic,
  author  = {H. Moin and S. Ali and M. J. Khan},
  title   = {Fine-tuning quadcopter control parameters via deep actor-critic learning framework: An exploration of nonlinear stability analysis and intelligent gain tuning},
  journal = {IEEE Access},
  volume  = {12},
  pages   = {167571--167586},
  year    = {2024},
  doi     = {10.1109/ACCESS.2024.3502243}
}

@inproceedings{maleki2024identification,
  author    = {M. Maleki and A. Ramirez-Serrano and B. Boulet},
  title     = {System identification and modeling of a multirotor UAV: A comparative study},
  booktitle = {AIAA SCITECH Forum},
  year      = {2024},
  doi       = {10.2514/6.2024-0567}
}

@inproceedings{zhao2022active,
  author    = {S. Zhao and Y. Wang and H. Zhang},
  title     = {Active learning Gaussian process model predictive control method for quadcopter},
  booktitle = {Proceedings of the 41st Chinese Control Conference (CCC)},
  year      = {2022},
  doi       = {10.23919/CCC55666.2022.9901860}
}

@article{xie2023agile,
  author  = {Z. Xie and P. Cheng and Z. Zheng},
  title   = {Learning agile flights through narrow gaps with varying angles using onboard sensing},
  journal = {IEEE Robotics and Automation Letters},
  volume  = {8},
  number  = {9},
  pages   = {5424--5431},
  year    = {2023},
  doi     = {10.1109/LRA.2023.3295655}
}

@article{yu2024modular,
  author  = {B. Yu and T. Lee},
  title   = {Modular reinforcement learning for a quadrotor UAV with decoupled yaw control},
  journal = {IEEE Robotics and Automation Letters},
  volume  = {10},
  number  = {1},
  pages   = {572--579},
  year    = {2024},
  doi     = {10.1109/LRA.2024.3511412}
}

@inproceedings{achiam2017cpo,
  author    = {Joshua Achiam and David Held and Aviv Tamar and Pieter Abbeel},
  title     = {Constrained Policy Optimization},
  booktitle = {Proceedings of the 34th International Conference on Machine Learning (ICML)},
  series    = {Proceedings of Machine Learning Research},
  volume    = {70},
  pages     = {22--31},
  year      = {2017}
}

@article{brunke2022safe,
  author  = {Lukas Brunke and Melissa Greeff and Adam W. Hall and Zhaocong Yuan and Siqi Zhou and Jacopo Panerati and Angela P. Schoellig},
  title   = {Safe Learning in Robotics: From Learning-Based Control to Safe Reinforcement Learning},
  journal = {Annual Review of Control, Robotics, and Autonomous Systems},
  volume  = {5},
  pages   = {411--444},
  year    = {2022},
  doi     = {10.1146/annurev-control-042920-020211}
}

@inproceedings{ames2019cbf,
  author    = {Aaron D. Ames and Samuel Coogan and Magnus Egerstedt and Gennaro Notomista and Koushil Sreenath and Paulo Tabuada},
  title     = {Control Barrier Functions: Theory and Applications},
  booktitle = {Proceedings of the 18th European Control Conference (ECC)},
  pages     = {3420--3431},
  year      = {2019},
  doi       = {10.23919/ECC.2019.8796030}
}

@article{folkestad2021koopman,
  author  = {Carl Folkestad and Yuxiao Chen and Aaron D. Ames and Joel W. Burdick},
  title   = {Data-Driven Safety-Critical Control: Synthesizing Control Barrier Functions with Koopman Operators},
  journal = {IEEE Control Systems Letters},
  volume  = {5},
  number  = {2},
  pages   = {665--670},
  year    = {2021},
  doi     = {10.1109/L-CSS.2020.3015530}
}

@article{yang2023adp,
  author  = {H. Yang and W. Zhao and Y. Liu},
  title   = {Adaptive-dynamic-programming-based robust control for a quadrotor UAV with external disturbances and parameter uncertainties},
  journal = {Applied Sciences},
  volume  = {13},
  number  = {23},
  pages   = {12672},
  year    = {2023},
  doi     = {10.3390/app132312672}
}

@article{dantu2024payload,
  author  = {K. Dantu and L. Saldyt and G. Chowdhary},
  title   = {Adaptive tracking and anti-swing control of quadrotors carrying suspended payload under state-dependent uncertainty},
  journal = {IEEE/ASME Transactions on Mechatronics},
  volume  = {30},
  number  = {6},
  pages   = {4568--4580},
  year    = {2024},
  doi     = {10.1109/TMECH.2024.3492957}
}

@inproceedings{tahirovic2024sliding,
  author    = {A. Tahirovic and A. Osmanovic and J. Velagic},
  title     = {Enhanced robustness properties and tracking performance of the quadrotor unmanned aerial vehicle under disturbances via the second order sliding mode control},
  booktitle = {Proceedings of the 6th International Conference on Control, Decision and Information Technologies (CoDIT)},
  year      = {2024},
  doi       = {10.1109/CODIT62066.2024.10708249}
}

@inproceedings{yu2022disturbance,
  author    = {B. Yu},
  title     = {Disturbance rejection control with finite-time convergence for quadrotor transportation system},
  booktitle = {Proceedings of the 41st Chinese Control Conference (CCC)},
  year      = {2022},
  doi       = {10.1109/CAC57257.2022.10054861}
}

@book{anderson1990optimal,
  author    = {B. D. O. Anderson and J. B. Moore},
  title     = {Optimal Control: Linear Quadratic Methods},
  publisher = {Prentice Hall},
  year      = {1990},
  isbn      = {0136385605}
}

@incollection{hotz1987covariance,
  author    = {Anthony Hotz and Robert E. Skelton},
  title     = {A Covariance Control Theory},
  booktitle = {Advances in Control and Dynamic Systems},
  volume    = {24},
  publisher = {Academic Press},
  pages     = {265--313},
  year      = {1987},
  doi       = {10.1016/B978-0-12-012726-9.50010-8}
}

@book{zhou1996robust,
  author    = {K. Zhou and J. C. Doyle and K. Glover},
  title     = {Robust and Optimal Control},
  publisher = {Prentice Hall},
  year      = {1996},
  isbn      = {0134565673}
}

@article{chen2016covariance,
  author  = {Y. Chen and T. T. Georgiou and M. Pavon},
  title   = {Optimal Steering of a Linear Stochastic System to a Final Probability Distribution, Part I},
  journal = {IEEE Transactions on Automatic Control},
  volume  = {61},
  number  = {5},
  pages   = {1158--1169},
  year    = {2016},
  doi     = {10.1109/TAC.2015.2457784}
}

@article{hoffman1952approximate,
  author  = {Alan J. Hoffman},
  title   = {On Approximate Solutions of Systems of Linear Inequalities},
  journal = {Journal of Research of the National Bureau of Standards},
  volume  = {49},
  number  = {4},
  pages   = {263--265},
  year    = {1952},
  doi     = {10.6028/jres.049.027}
}

@book{bauschke2011convex,
  author    = {Heinz H. Bauschke and Patrick L. Combettes},
  title     = {Convex Analysis and Monotone Operator Theory in Hilbert Spaces},
  publisher = {Springer},
  year      = {2011},
  doi       = {10.1007/978-1-4419-9467-7}
}
