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Author

Samuel E. Otto

2 papers indexed here

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Preprint Oct 2026

Balanced Active Subspaces for Optimal Control via Trajectory Optimization

The curse of dimensionality associated with solving the Hamilton-Jacobi-Bellman equation for the value function remains a key obstacle for real-time optimal feedback control of high-dimensional nonlinear dynamical systems. This is especially severe in aerospace applications such as relaminarizing unsteady turbulent flo...

Emmanuel S. Ameh, Samuel E. Otto · 0 citations
Preprint Sep 2026

Estimating Hierarchically Rank Structured Covariance Matrices

We consider the problem of estimating a high-dimensional covariance matrix from a very limited number of samples. This problem is ubiquitous in computational fluid dynamics, where a small number of fluid snapshots must be used to construct a Gramian matrix determining a reduced-order model, as well as in computational...

Robin Armstrong, Anil Damle, Samuel E. Otto · 0 citations

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