Abstract
The wide class of nonextendible positive maps inC *-algebras [1, 3] is studied. An example is given showing that the set of nonextendible positive maps betweenC *-algebras\(A\) and\(B\) is not closed inL(\(A,B\)) in the weak topology.
Similar content being viewed by others
References
Kruszyński, P., ‘n(G)-nonextendibility of Linear Positive Maps’ (1977), to appear inRep. Math. Phys.
StørmerE., ‘Positive Linear Maps ofC *-algebras’,Lecture Notes in Physics 29, 85–106. Berlin-Heidelberg-New York, Springer, 1974.
WoronowiczS.L.,Commun. Math. Phys. 51, 243–282 (1976).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Kruszyński, P., Woronowicz, S.L. Partial transposition and nonextendible maps. Lett Math Phys 3, 319–324 (1979). https://doi.org/10.1007/BF01821853
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01821853