The flat extension of nonsingular Embry moment matrices E(3)
Commun. Korean Math. Soc.
Published online August 29, 2019
Chunji Li and Hongkai Liang
Northeastern University
Abstract : In this article, we discuss Embry truncated complex moment problem
for n = 3, by using the flatness property. First, we show that the condition of
nonsingular positivity is not sufficient. And then, we consider our problem case
by case, and obtain some necessary condition and sufficient conditions separately.
Keywords : Embry truncated complex moment problem, representing measure, flat extension
MSC numbers : Primary 47A57, 44A60; Secondary 15A57, 47A20.
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