POSITIVE-DEFINITE OPERATOR SEQUENCES

Authors
BISGAARD T
Citation
T. Bisgaard, POSITIVE-DEFINITE OPERATOR SEQUENCES, Proceedings of the American Mathematical Society, 121(4), 1994, pp. 1185-1191
Citations number
13
Categorie Soggetti
Mathematics, General",Mathematics
Journal title
Proceedings of the American Mathematical Society → ACNP
ISSN journal
00029939
Volume
121
Issue
4
Year of publication
1994
Pages
1185 - 1191
Database
ISI
SICI code
0002-9939(1994)121:4<1185:POS>2.0.ZU;2-S
Abstract
An example is given of a linear mapping from C[x] to M2(C) which is po sitive but not completely positive. It is shown that a positive linear mapping from C[x] to B(K) is completely positive if certain scalar mo ment sequences associated with it are determinate.