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math.CV2019
Exponential factorizations of holomorphic maps
Frank Kutzschebauch, Luca Studer
We show that any element of the special linear group is a product of two exponentials if the ring is either the ring of holomorphic functions on an open Riemann surfa…
math.MG2019
Distortion of spheres and surfaces in space
Sebastian Baader, Luca Studer, Roger Züst
It is known that the surface of a cone over the unit disc with large height has smaller distortion than the standard embedding of the 2-sphere in . In this note we sho…