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Indecomposable Extreme Positive Linear Maps in Matrix Algebras
Author(s) -
Kim HongJong,
Kye SeungHyeok
Publication year - 1994
Publication title -
bulletin of the london mathematical society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.396
H-Index - 48
eISSN - 1469-2120
pISSN - 0024-6093
DOI - 10.1112/blms/26.6.575
Subject(s) - mathematics , indecomposable module , matrix (chemical analysis) , pure mathematics , algebra over a field , chemistry , chromatography
We consider positive linear maps in the matrix algebra M n which fix diagonals. When n ⩾ 4, we show that there are indecomposable extreme positive linear maps among them.
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