7 citations · 13 across the 6 of their papers we have counts for
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math.DS2005
Smooth Siegel disks without number theory: A remark on a proof by Buff and Cheritat
Lukas Geyer
X. Buff and A. Cheritat proved that there are quadratic polynomials having Siegel disks with smooth boundaries. Based on a simplification of A. Avila, we give yet another simplific…
math.CV2005★ 1 cited
Sharp bounds for the valence of certain harmonic polynomials
Lukas Geyer
D. Khavinson and G. Swiatek proved that harmonic polynomials p(z)+q(z), where p is holomorphic, q is antiholomorphic, and deg p = n > 1 = deg q, can have at most 3n-2 complex zeros…