
Summary: We show that the Fourier expansion in spherical \(h\)-harmonics (from Dunkl's theory) of a function \(f\) on the sphere converges uniformly to \(f\) if this function is sufficiently differentiable.
Fourier series in special orthogonal functions (Legendre polynomials, Walsh functions, etc.), Orthogonal polynomials and functions in several variables expressible in terms of special functions in one variable
Fourier series in special orthogonal functions (Legendre polynomials, Walsh functions, etc.), Orthogonal polynomials and functions in several variables expressible in terms of special functions in one variable
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