Perturbations of Weyl-Heisenberg frames

Peter G. Casazza, Ole Christensen, Mark C. Lammers

We develop a usable perturbation theory for Weyl-Heisenberg frames. In particular, we prove that if $(E_{mb}T_{na}g)_{m,n\inmathbb Z}$ is a WH-frame and $h$ is a function which is…