Operators and Matrices · Volume 11, Issue 4 Shapiro's uncertainty principle related to the windowed Fourier transform associated with the Riemann-Liouville operator 11-70 Pages 1015-1032 DOI 10.7153/oam-2017-11-70 Downloads Short PDF Full PDF PNG Authors Aymen Hammami Keywords the windowed Fourier transform uncertainty principle Hilbert-Schmidt operator time-frequency concentration Fourier transform dispersion principle Shapiro's theorem Umbrella theorem Subject classes 42A38 44A35