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Necessary and Sufficient Conditions for Mean Convergence of Lagrange Interpolation for Erdős Weights
Abstract We investigate mean convergence of Lagrange interpolation at the zeros of orthogonal polynomials p n ( W 2 , x ) for Erdös weights W 2 = e -2 Q . The archetypal example is W k,α = exp(— Q k,α ), where α > 1, k ≥ 1, …