56 citations · 75 across the 19 of their papers we have counts for
Showing 2014 · math.FAShow all
2 papers · 2 filters
math.FA2014
A spectral radius type formula for approximation numbers of composition operators
Daniel Li, Hervé Queffélec, Luis Rodriguez-Piazza
For approximation numbers of composition operators on weighted analytic Hilbert spaces, including the Hardy, Bergman and Dirichlet cases, with symbol of unifo…
math.FA2014
Two remarks on composition operators on the Dirichlet space
Daniel Li, Hervé Queffélec, Luis Rodriguez-Piazza
We show that the decay of approximation numbers of compact composition operators on the Dirichlet space can be as slow as we wish, which was left open in the cited wo…