Extending IPRM to fractional Fourier series eliminates the Gibbs phenomenon via an alpha-independent Gram matrix and guarantees exponential convergence for analytic functions.
Szeg, Orthogonal polynomials, Vol
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Resolving the Gibbs Phenomenon in Fractional Fourier Series via Inverse Polynomial Reconstruction
Extending IPRM to fractional Fourier series eliminates the Gibbs phenomenon via an alpha-independent Gram matrix and guarantees exponential convergence for analytic functions.