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Advances and Applications in Discrete Mathematics

Advances and Applications in Discrete Mathematics
Volume 21, Issue 1, Pages 111 - 118 (May 2019)
http://dx.doi.org/10.17654/

ON SOME RELATIONS BETWEEN THE CONE OF POSITIVE SEMIDEFINITE MATRICES AND THE MOMENT CONE

Jie Wang and Lin Si

Abstract:

Based on the identification with symmetric matrix the relation between geometry of the cone of positive semidefinite matrices and the moment cone in four-dimensional Euclidean space is given. As for the higher dimensional case, we present part of the relation of the two types of cone.