Abstract
In this paper we characterize sets of solvability of Hermite multivariate interpolation problems with the sum of multiplicities less than or equal to 2n + 1, where n is the degree of the polynomial space.
This can be viewed as a natural generalization of a well-known result of Severi (1921).
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Hakopian, H.A. On a class of Hermite interpolation problems. Advances in Computational Mathematics 12, 303–309 (2000). https://doi.org/10.1023/A:1018933622590
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DOI: https://doi.org/10.1023/A:1018933622590