Geodesic
Conditional expectations on von Neumann algebras and the causal independence of quantized fields
Teoretičeskaâ i matematičeskaâ fizika, Tome 46 (1981) no. 2, pp. 147-156 
K. Yu. Dadashyan; S. S. Horuzhy. Conditional expectations on von Neumann algebras and the causal independence of quantized fields. Teoretičeskaâ i matematičeskaâ fizika, Tome 46 (1981) no. 2, pp. 147-156. http://geodesic.mathdoc.fr/item/TMF_1981_46_2_a0/
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     title = {Conditional expectations on von {Neumann} algebras and the causal independence of quantized fields},
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Voir la notice de l'article provenant de la source Math-Net.Ru

In the framework of a concrete algebraic approach the Haag–Kastler property of causal independence is proved for the net of local yon Neumann algebras in a number of models of free and interacting (in a locally Fock manner) quantized fields.

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