Basic Fourier Series: Convergence on and Outside the q-Linear Grid
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- Cardoso, J.L. J Fourier Anal Appl (2011) 17: 96. doi:10.1007/s00041-010-9161-2
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A q-type Hölder condition on a function f is given in order to establish (uniform) convergence of the corresponding basic Fourier series Sq[f] to the function itself, on the set of points of the q-linear grid. Furthermore, by adding other conditions, one guarantees the (uniform) convergence of Sq[f] to f on and “outside” the set points of the q-linear grid.