We study composition operators on Hardy and Dirichlet spaces belonging to Schatten classes. We give some new examples and analyse the size of contact set of the symbol of such operators.
@article{arxiv.1402.5550,
title = {Contact points and Schatten composition operators},
author = {H. Benazouz and O. El-Fallah and K. Kellay and H. Mahzouli},
journal= {arXiv preprint arXiv:1402.5550},
year = {2014}
}