Random interpolating sequences in Dirichlet spaces
Résumé
We discuss random interpolating sequences in weighted Dirichlet spaces $\mathcal{D}_\alpha$, $0\leq \alpha\leq 1$. Our
results in particular imply that almost sure interpolating sequences for $\mathcal{D}_\alpha$ are exactly the almost sure
separated sequences when $0\le \alpha<1/2$ (which covers the Hardy space $H^2=\mathcal{D}_0$), and they are exactly
the almost sure zero sequences for $\mathcal{D}_\alpha$ when $1/2<\alpha<1$. We show that this last result remains
valid in the classical Dirichlet space $\mathcal{D}=\mathcal{D}_1$ when one considers a weaker notion of interpolation, so-called simple interpolation. As a by-product we improve a sufficient condition by Rudowicz for random Carleson
measures in Hardy spaces.
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