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Displaying similar documents to “Birational canonical transformations and classical solutions of the sixth Painlevé equation”

Ideal interpolation: Mourrain's condition vs. D-invariance

C. de Boor (2006)

Banach Center Publications

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Mourrain [Mo] characterizes those linear projectors on a finite-dimensional polynomial space that can be extended to an ideal projector, i.e., a projector on polynomials whose kernel is an ideal. This is important in the construction of normal form algorithms for a polynomial ideal. Mourrain's characterization requires the polynomial space to be 'connected to 1', a condition that is implied by D-invariance in case the polynomial space is spanned by monomials. We give examples to show...