Article ID Journal Published Year Pages File Type
4607949 Journal of Approximation Theory 2009 10 Pages PDF
Abstract

Variation diminishing properties are established for the periodic kernels (1+cost)λ,λ=12+n,n∈Z+. On the real axis, there are related variation diminishing properties of the functions umsgnuumsgnu, which are the Green’s functions for the differential operator D(m+1)D(m+1).

Related Topics
Physical Sciences and Engineering Mathematics Analysis
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