123 citations · 363 across the 10 of their papers we have counts for
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hep-th1998★ 11 cited
Deformation stability of BRST-quantization
M. Duetsch, K. Fredenhagen
To avoid the problems which are connected with the long distance behavior of perturbative gauge theories we present a local construction of the observables which does not involve t…
hep-th1998★ 123 cited
A local (perturbative) construction of observables in gauge theories: the example of QED
M. Duetsch, K. Fredenhagen
Interacting fields can be constructed as formal power series in the framework of causal perturbation theory. The local field algebra is obtained without…