A de la Vallée Poussin-type projection method at Jacobi zeros is introduced for Fredholm integral equations, with proven stability, convergence in weighted spaces, and reduced Gibbs effects compared to Lagrange-based methods.
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De la Vall\'ee Poussin type approximation for solving some Fredholm integral equations
A de la Vallée Poussin-type projection method at Jacobi zeros is introduced for Fredholm integral equations, with proven stability, convergence in weighted spaces, and reduced Gibbs effects compared to Lagrange-based methods.