N. Steinmetz

most citedReminiscence Of An Open Problem: Remarks On Nevanlinna's Four-Value-Theorem

4 citations · 4 across the 4 of their papers we have counts for

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math.CV2011

The Yosida Class is Universal

Norbert Steinmetz

We discuss families of meromorphic functions $f_{h}$ obtained from single functions $f$ by the re-scaling process $f_{h} (z) = h^{- α} f (h + h^{- β} z)$ generalising Yosida's process $f_h(z)=f(…

math.CV2011★ 4 cited

Reminiscence Of An Open Problem: Remarks On Nevanlinna's Four-Value-Theorem

Norbert Steinmetz

The aim of this paper is to describe the origin, first solutions, further progress, the state of art, and a new ansatz in the treatment of a problem dating back to the 1920's, whic…

math.CV2011

Normal families and linear differential equation

Norbert Steinmetz

It is proved that any family of analytic functions with spherical derivative uniformly bounded away from zero ist normal.