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A geometric characterization of positive definite sequences and of the Fourier transform

โœ Scribed by Makhoul, J.; El-Jaroudi, A.


Book ID
118690962
Publisher
IEEE
Year
1991
Tongue
English
Weight
524 KB
Volume
39
Category
Article
ISSN
1053-587X

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In this paper we introduce metric-based means for the space of positive-definite matrices. The mean associated with the Euclidean metric of the ambient space is the usual arithmetic mean. The mean associated with the Riemannian metric corresponds to the geometric mean. We discuss some invariance pro