CHARACTERIZING COMPLETELY POSITIVE ELEMENTARY OPERATORS

Authors
MATHIEU M
Citation
M. Mathieu, CHARACTERIZING COMPLETELY POSITIVE ELEMENTARY OPERATORS, Bulletin of the London Mathematical Society, 30, 1998, pp. 603-610
Citations number
19
Categorie Soggetti
Mathematics,Mathematics
Journal title
Bulletin of the London Mathematical Society → ACNP
ISSN journal
00246093
Volume
30
Year of publication
1998
Part
6
Pages
603 - 610
Database
ISI
SICI code
0024-6093(1998)30:<603:CCPEO>2.0.ZU;2-Q
Abstract
Let S be an elementary operator on a C-algebra with minimal length l( S) greater than or equal to I. Then S is completely positive if and on ly if S is n-positive for some natural number n greater than or equal to (l(S) - 1)/2.