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math.DS2015★ 19 cited
The Klein-Gordon equation, the Hilbert transform, and dynamics of Gauss-type maps
Haakan Hedenmalm, Alfonso Montes-Rodriguez
A pair , where is a locally rectifiable curve and is a {\em Heisenberg uniqueness pair} if an absolutely continuous (with respe…
math.DS2012★ 24 cited
Perron-Frobenius operators and the Klein-Gordon equation
Francisco Canto-Martin, Haakan Hedenmalm, Alfonso Montes-Rodriguez
We study the non-uniqueness sets for solutions to the Klein-Gordon equation in 1 space dimension, for solutions whose Fourier transform is a finite complex measure absolutely conti…