We show that a sufficient density condition for Gabor systems with Hermite functions over lattices is not sufficient in general. This follows from a result on how zeros of the Zak transform determine the frame property of integer over-sampled Gabor systems.
Gabor systems with Hermite functions of order N and oversampling greater than N+1 which are not frames
20.10.2025 15:00 - 16:30
Organiser:
J. L. Romero and J. T. van Velthoven
Location:
SR10 (Kolingasse)