Minimal Norm Interpolation in Harmonic Hilbert Spaces and Wiener Amalgam Spaces on Locally Compact Abelian Groups

Hans G. Feichtinger, Sheel S. Pandey, Tobias Werther

The family of harmonic Hilbert spaces is a natural enlargement of those classical $L^2$-Sobolev space on ${\mathbb{R}}^d$ which consist of continuous functions. In the present paper we dem…