165 citations · 252 across the 6 of their papers we have counts for
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gr-qc2003★ 1 cited
The general boundary approach to quantum gravity
Robert Oeckl
We present an approach to quantum gravity based on the general boundary formulation of quantum mechanics, path integral quantization, spin foam models and renormalization.
hep-th2003★ 165 cited
A "general boundary" formulation for quantum mechanics and quantum gravity
Robert Oeckl
I propose to formalize quantum theories as topological quantum field theories in a generalized sense, associating state spaces with boundaries of arbitrary (and possibly finite) re…
gr-qc2003★ 35 cited
Schroedinger's cat and the clock: Lessons for quantum gravity
Robert Oeckl
I review basic principles of the quantum mechanical measurement process in view of their implications for a quantum theory of general relativity. It turns out that a clock as an ex…