Pseudo-hyperbolic distance and n-best rational approximation in H^2 space
Functional Analysis
2021-10-27 v1
Abstract
Through reducing the problem to rational orthogonal system (Takenaka-Malmquist system), this note gives a proof for existence of n-best rational approximation to functions in the Hardy H2(D) space by using pseudohyperbolic distance.
Keywords
Cite
@article{arxiv.2012.06184,
title = {Pseudo-hyperbolic distance and n-best rational approximation in H^2 space},
author = {Tao Qian and Yan-Bo Wang},
journal= {arXiv preprint arXiv:2012.06184},
year = {2021}
}
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9 pages