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math.AP2011
The Operator Norm of a Quadratic Perturbation of the Real Part of the Ahlfors--Beurling Operator
Nicholas Boros, László Székelyhidi, Alexander Volberg
We will explain how to compute the exact operator norm of a "quadratic perturbation" of the real part of the Ahlfors--Beurling operator. For the lower bound estimate we use a…
math.AP2011
Laminates Meet Burkholder Functions
Nicholas Boros, Laszlo Szekelyhidi, Alexander Volberg
We will explain how to compute the exact operator norm of a "quadratic perturbation" of the real part of the Ahlfors--Beurling operator. For the lower bound estimate we use a…