A Sparse Flat Extension Theorem for Moment Matrices

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dc.creatorLaurent, Monique
dc.creatorMourrain, Bernard
dc.date2008-12-15
dc.date.accessioned2026-07-07T12:30:56Z
dc.date.available2026-07-07T12:30:56Z
dc.descriptionIn this note we prove a generalization of the flat extension theorem of Curto and Fialkow for truncated moment matrices. It applies to moment matrices indexed by an arbitrary set of monomials and its border, assuming that this set is connected to 1. When formulated in a basis-free setting, this gives an equivalent result for truncated Hankel operators.
dc.identifierhttps://arxiv.org/abs/0812.2563
dc.identifierhttp://arxiv.org/abs/0812.2563
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/216287
dc.subjectSymbolic Computation
dc.subjectCommutative Algebra
dc.titleA Sparse Flat Extension Theorem for Moment Matrices
dc.typetext

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