Erdős problem 1151 · problems.science

Let $\mathcal{L}^nf$ be the Lagrange interpolation polynomials of a continuous $f$ on the Chebyshev nodes. Prove that, for any closed $A\subseteq [-1,1]$ , there exists a continuous function $f$ such that $A$ is the set of limit points of $\mathcal{L}^nf(x)$ .

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Erdős AI contributions wiki · 6 May, 2026
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Codex, GPT
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Erdős AI contributions wiki · 30 Apr, 2026
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GPT-5.5 Pro
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Przemek Chojecki
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VibeMathed
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Przemysław Chojecki, Allen Hart
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candidate
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