%0 Journal Article %A Daniele Colosi %A Robert Oeckl %T Locality and General Vacua in Quantum Field Theory %J Symmetry, integrability and geometry: methods and applications %D 2021 %V 17 %U http://geodesic.mathdoc.fr/item/SIGMA_2021_17_a72/ %G en %F SIGMA_2021_17_a72