2013
DOI: 10.46298/dmtcs.12820
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Interpolation, box splines, and lattice points in zonotopes

Matthias Lenz

Abstract: Given a finite list of vectors $X \subseteq \mathbb{R}^d$, one can define the box spline $B_X$. Box splines are piecewise polynomial functions that are used in approximation theory. They are also interesting from a combinatorial point of view and many of their properties solely depend on the structure of the matroid defined by the list $X$. The support of the box spline is the zonotope $Z(X)$. We show that if the list $X$ is totally unimodular, any real-valued function defined on the set of lattice points in t… Show more

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Cited by 2 publications
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