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hep-th2009★ 10 cited
Regularization in quantum field theory from the causal point of view
Andreas Aste, Cyrill von Arx, Gunter Scharf
The causal approach to perturbative quantum field theory is presented in detail, which goes back to a seminal work by Henri Epstein and Vladimir Jurko Glaser in 1973. Causal pertur…
gr-qc2009
From massive gravity to dark matter density II
G. Scharf
As previously observed the massless limit of massive gravity leads to a modification of general relativity. Here we study spherically symmetric solutions of the modified field equa…