Journal of Fourier Analysis and Applications

, Volume 17, Issue 1, pp 96-114

First online:

Basic Fourier Series: Convergence on and Outside the q-Linear Grid

  • J. L. CardosoAffiliated withUTAD, Quinta de Prados, Edifício das Ciências Florestais, Departamento de Matemática, CM-UTAD Email author 

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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 S q [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 S q [f] to f on and “outside” the set points of the q-linear grid.


q-trigonometric functions q-Fourier series Basic Fourier expansions Uniform convergence q-linear grid

Mathematics Subject Classification (2000)

42C10 33D15