Vanheuverzwijn, Paul Generators for quasi-free completely positive semi-groups. (English) Zbl 0398.47029 Ann. Inst. Henri Poincaré, Nouv. Sér., Sect. A 29, 123-138 (1978). MSC: 47L90 47D03 70F99 PDFBibTeX XMLCite \textit{P. Vanheuverzwijn}, Ann. Inst. Henri Poincaré, Nouv. Sér., Sect. A 29, 123--138 (1978; Zbl 0398.47029) Full Text: Numdam EuDML
Demoen, Bart; Vanheuverzwijn, Paul; Verbeure, A. Completely positive maps on the CCR-algebra. (English) Zbl 0381.47023 Lett. Math. Phys. 2, 161-166 (1977). MSC: 47C10 81T08 46N99 PDFBibTeX XMLCite \textit{B. Demoen} et al., Lett. Math. Phys. 2, 161--166 (1977; Zbl 0381.47023) Full Text: DOI