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.…
math.PR2025
Residual Diffusivity for Expanding Bernoulli Maps
William Cooperman, Gautam Iyer, James Nolen
Consider a discrete time Markov process on that makes a deterministic jump based on its current location, and then takes a small Gaussian step of variance $ε^…