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arxiv: 1312.4062 · v1 · pith:2XBMXSCBnew · submitted 2013-12-14 · 🧮 math.FA

Convergence properties of spline-like cardinal interpolation operators acting on l^p data

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keywords alphabetacardinalmathbbspline-likeactingappropriatecall
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If $f\in \{f\in L^p(\mathbb{R}): f(x)=\int_{-\pi}^{\pi}e^{ix\xi}d\beta(\xi), \beta\in B.V.([-\pi,\pi]) \}$, then $f$ is determined by its samples on the integers by taking an appropriate limit. Specifically, $\| f - L_{\phi_\alpha}f \|_{L^p(\mathbb{R})}\to 0$ as $\alpha\to\infty$ provided that $\{\phi_\alpha: \alpha\in A\}$ is what we call a spline-like family of cardinal interpolators.

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