New explicit Beurling-Malliavin multipliers for Holder weights give the improved upper bound beta+ <= 3^{3/4}/4 L^2 ≈ 0.56987677 L^2 for fast boundary controls of the 1D Schrodinger equation.
Hilbert spaces of entire functions
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Effective multipliers for weights whose log are H\"older continuous. Application to the cost of fast boundary controls for the 1D Schr{\"o}dinger equation
New explicit Beurling-Malliavin multipliers for Holder weights give the improved upper bound beta+ <= 3^{3/4}/4 L^2 ≈ 0.56987677 L^2 for fast boundary controls of the 1D Schrodinger equation.