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math.CV2019
Interpolating Matrices
Alberto Dayan
We extend Carleson's interpolation Theorem to sequences of matrices, by giving necessary and sufficient separation conditions for a sequence of matrices to be interpolating.
math.NT2019
Hausdorff Measures, Dyadic Approximations and Dobiński Set
Alberto Dayan, José L. Fernández, María J. González
Dobiński set is an exceptional set for a certain infinite product identity, whose points are characterized as having exceedingly good approximations by dyadic rationa…
math.CV2019
Zeros of Normalized Sections of Non Convergent Power Series
Alberto Dayan
A well known result due to Carlson affirms that a power series with finite and positive radius of convergence R has no Ostrowski gaps if and only if the sequence of zeros of its nt…