Universal Singular Inner Functions
Canadian mathematical bulletin, Tome 47 (2004) no. 1, pp. 17-21
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We show that there exists a singular inner function $S$ which is universal for noneuclidean translates; that is one for which the set $\{S(\frac{z\,+\,{{z}_{n}}}{1\,+\,{{{\bar{z}}}_{n}}z})\,:\,n\,\in \,\mathbb{N}\}$ is locally uniformly dense in the set of all zero-free holomorphic functions in $\mathbb{D}$ bounded by one.
Gorkin, Pamela; Mortini, Raymond. Universal Singular Inner Functions. Canadian mathematical bulletin, Tome 47 (2004) no. 1, pp. 17-21. doi: 10.4153/CMB-2004-003-0
@article{10_4153_CMB_2004_003_0,
author = {Gorkin, Pamela and Mortini, Raymond},
title = {Universal {Singular} {Inner} {Functions}},
journal = {Canadian mathematical bulletin},
pages = {17--21},
year = {2004},
volume = {47},
number = {1},
doi = {10.4153/CMB-2004-003-0},
url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2004-003-0/}
}
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