INVESTIGADORES
STOJANOFF Demetrio
artículos
Título:
Orbits of positive operators from a differentiable viewpoint
Autor/es:
G. CORACH, A. MAESTRIPIERI Y D. STOJANOFF
Revista:
POSITIVITY
Editorial:
Kluwer
Referencias:
Año: 2004 vol. 8 p. 31 - 48
ISSN:
1385-1292
Resumen:
Let A be a unital C*-algebra and G the group of units of A. A geometrical study of the action of G over the set A^+ of all positive elements of A is presented. The orbits of elements with closed range by this action are provided with a structure of differentiable homogeneous space with a natural connection. The orbits are partitioned in "components" which also have a rich geometrical structure.
