On Some Estimate for the Norm of an Interpolation Projector

Mikhail Nevskii

Let $Q_n=[0,1{]}^n$ be the unit cube in ${\mathbb{R}}^n$ and let $C(Q_n)$ be a space of continuous functions $f:Q_n\to \mathbb{R}$ with the norm $\|f\|_{C(Q_n)}:=\max_{x\in Q_n}|f(x)|…