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math.CV2018
A question of Kuhnau
Samuel L. Krushkal
It is well known that the square is not a Strebel's point (i.e., its extremal Beltrami coefficient is not Teichmuller). Many years ago, Reiner Kuhnau posed the question: does there…
math.CV2018
Quasiconformal features and Fredholm eigenvalues of convex polygons
Samuel L. Krushkal
An important open problem in geometric complex analysis is to find algorithms for explicit determination of basic functionals intrinsically connected with conformal and quasiconfor…