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math.AP2024
On stability for wave propagation and for linear inverse problems
Rima Alaifari, Giovanni S. Alberti, Tandri Gauksson
Stability is a key property of both forward models and inverse problems, and depends on the norms considered in the relevant function spaces. For instance, stability estimates for…
math.FA2024
Multi-Window Approaches for Direct and Stable STFT Phase Retrieval
Rima Alaifari, Yunan Yang
Phase retrieval from phaseless short-time Fourier transform (STFT) measurements is known to be inherently unstable when measurements are taken with respect to a single window. Whil…