Consider a discrete group G and a bounded self-adjoint convolution operator T on l2 (G); let σ (T) be the spectrum of T. The spectral theorem gives a unitary isomorphism U between l2 (G) and a direct ...
This is a preview. Log in through your library . Abstract Under certain hypothesis including a Hörmander-type condition on the convolution kernel K we show that K * f belongs to the space ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback