3 papers
cs.IT2026
Functional Multi-Reference Alignment via Deconvolution
Omar Al-Ghattas, Anna Little, Daniel Sanz-Alonso +1
This paper studies the multi-reference alignment (MRA) problem of estimating a signal function from shifted, noisy observations. Our functional formulation reveals a new connection…
eess.SY2024
Ensemble Kalman Filters with Resampling
Omar Al Ghattas, Jiajun Bao, Daniel Sanz-Alonso
Filtering is concerned with online estimation of the state of a dynamical system from partial and noisy observations. In applications where the state of the system is high dimensio…
stat.CO2024
A First Course in Monte Carlo Methods
Daniel Sanz-Alonso, Omar Al-Ghattas
This is a concise mathematical introduction to Monte Carlo methods, a rich family of algorithms with far-reaching applications in science and engineering. Monte Carlo methods are a…