Open AccessA Class of Extremal Positive Maps in $3 \times 3$ Matrix Algebras
Author(s) -
Hiroyuki Osaka
Publication year - 1992
Publication title -
publications of the research institute for mathematical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.786
H-Index - 39
eISSN - 1663-4926
pISSN - 0034-5318
DOI - 10.2977/prims/1195167934
Subject(s) - mathematics , class (philosophy) , matrix (chemical analysis) , pure mathematics , combinatorics , algebra over a field , epistemology , chemistry , philosophy , chromatography
We shall provide a large class of extremal positive maps in M3(C) which are neither 2-positive nor 2-copositive and study the algebraic structure of the set of all positive linear maps in M3(C). §
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