Communications in Mathematical Physics

, Volume 88, Issue 3, pp 399–409 | Cite as

Local aspects of superselection rules. II

  • Sergio Doplicher
  • Roberto Longo


In a theory where the local observables are determined by local field algebras as the fixed points under a (a priori noncommutative) group of gauge transformations of the first kind, we show that, if the field algebras possess intermediate type I factors, we can construct observables having the meaning of local charge measurements, and local current algebras in the field algebras.


Neural Network Statistical Physic Complex System Nonlinear Dynamics Gauge Transformation 
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Copyright information

© Springer-Verlag 1983

Authors and Affiliations

  • Sergio Doplicher
    • 1
  • Roberto Longo
    • 1
  1. 1.Istituto Matematico G. CastelnuovoUniversità di RomaRomaItaly

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