1.4k citations · 4k across the 57 of their papers we have counts for
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hep-th2002★ 66 cited
The Master Ward Identity and Generalized Schwinger-Dyson Equation in Classical Field Theory
Michael Duetsch, Klaus Fredenhagen
In the framework of perturbative quantum field theory a new, universal renormalization condition (called Master Ward Identity) was recently proposed by one of us (M.D.) in a joint…
quant-ph2002★ 18 cited
Remarks on time-energy uncertainty relations
Romeo Brunetti, Klaus Fredenhagen
Using a recent construction of observables characterizing the time of occurence of an effect in quantum theory, we present a rigorous derivation of the standard time-energy uncerta…
hep-th2002★ 236 cited
On the unitarity problem in space/time noncommutative theories
D. Bahns, S. Doplicher, K. Fredenhagen +1
It is shown that the violation of unitarity observed in space/time noncommutative field theories is due to an improper definition of quantum field theory on noncommutative spacetim…