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math.FA2013
Spectrality of Self-Similar Tiles
Xiaoye Fu, Xinggang He, Ka-Sing Lau
We call a set with positive Lebesgue measure a {\it spectral set} if admits an exponential orthonormal basis. It was conjectured that is a sp…
math.FA2013
Measure of Self-Affine Sets and Associated Densities
Xiaoye Fu, Jean-Pierre Gabardo
Let be an real expanding matrix and be a finite subset of with . The self-affine set is the uniqu…