2 papers
math.CA2026
On spectral interference of the short-time Fourier transform and its nonlinear variations
Shrikant Chand, James Nolen, Hau-Tieng Wu
Spectral interference, the frequency counterpart of the beating phenomenon in the time domain, can severely distort time-frequency representations (TFRs) in physical applications.…
cs.CG2025
Rigid Invariant Sliced Wasserstein via Independent Embeddings
Zakk Heile, Peilin He, Jayson Tran +2
Comparing probability measures modulo unknown rigid transformations is a central challenge in geometric data analysis. Classical optimal transport (OT) distances, including Wassers…