A simple upper bound for Lebesgue constants associated with Leja points on the real line

Vladimir Andrievskii, Fedor Nazarov

Let $K\subset \mathbb{R}$ be a regular compact set and let $g(z)=g_{\overline{\mathbb{C}}\setminus K}(z,\infty )$ be the Green function for $\overline{\mathbb{C}}\setminus K$ with pole…