Cesàro Summability of Taylor Series in Weighted Dirichlet Spaces
2021
We show that, in every weighted Dirichlet space on the unit disk with superharmonic weight, the Taylor series of a function in the space is
$$(C,\alpha )$$
-summable to the function in the norm of the space, provided that
$$\alpha >1/2$$
. We further show that the constant 1/2 is sharp, in marked contrast with the classical case of the disk algebra.
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