Löwner's theorem and the differential geometry of the space of positive operators
Let A be a untel C*-algebra and G+ the space of all positive invertible elements of A. In this largely expository paper we collect several geometrical features of G+ which relate its structure with that of Riemannian manifolds with non positive curvature. The main result of the paper is the equivale...
Guardado en:
| Autores principales: | Andruchow, Esteban, Corach, Gustavo, Stojanoff, Demetrio |
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| Publicado: |
1998
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| Materias: | |
| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00015504_v49_n2_p70_Andruchow http://hdl.handle.net/20.500.12110/paper_00015504_v49_n2_p70_Andruchow |
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