Abstract
This paper is an extension of earlier papers [8, 9] on the “native” Hilbert spaces of functions on some domain Ω ⊂ Rd in which conditionally positive definite kernels are reproducing kernels. Here, the focus is on subspaces of native spaces which are induced via subsets of Ω, and we shall derive a recursive subspace structure of these, leading to recursively defined reproducing kernels. As an application, we get a recursive Neville-Aitken-type interpolation process and a recursively defined orthogonal basis for interpolation by translates of kernels.
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Mouattamid, M., Schaback, R. Recursive Kernels. Anal. Theory Appl. 25, 301–316 (2009). https://doi.org/10.1007/s10496-009-0301-y
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DOI: https://doi.org/10.1007/s10496-009-0301-y