Hermite interpolation and an inequality for entire functions of exponential type.
Characterization of the Speed of Convergence of the Trapezoidal Rule.
An Inequality for Trigonometric Polynomials
The main result says in particular that if is a trigonometric polynomial of degree n having all its zeros in the open upper half-plane such that |t(ξ)| ≥ μ on the real axis and cₙ ≠ 0, then |t’(ξ)| ≥ μn for all real ξ.
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