Positive projections of symmetric matrices and Jordan algebras
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Positive projections of symmetric matrices and Jordan algebras. / Fuglede, Bent; Jensen, Søren Tolver.
I: Expositiones Mathematicae, Bind 31, Nr. 3, 2013, s. 295-303.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Positive projections of symmetric matrices and Jordan algebras
AU - Fuglede, Bent
AU - Jensen, Søren Tolver
PY - 2013
Y1 - 2013
N2 - An elementary proof is given that the projection from the space of all symmetric p×p matrices onto a linear subspace is positive if and only if the subspace is a Jordan algebra. This solves a problem in a statistical model.
AB - An elementary proof is given that the projection from the space of all symmetric p×p matrices onto a linear subspace is positive if and only if the subspace is a Jordan algebra. This solves a problem in a statistical model.
U2 - 10.1016/j.exmath.2013.01.005
DO - 10.1016/j.exmath.2013.01.005
M3 - Journal article
VL - 31
SP - 295
EP - 303
JO - Expositiones Mathematicae
JF - Expositiones Mathematicae
SN - 0723-0869
IS - 3
ER -
ID: 37567605