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gr-qc2022★ 6 cited
The good-bad-ugly system near spatial infinity on flat spacetime
Miguel Duarte, Justin Feng, Edgar Gasperin +1
A system of equations that serves as a model for the Einstein field equation in generalised harmonic gauge called the good-bad-ugly system is studied in the region close to null an…
gr-qc2022★ 10 cited
Peeling in Generalized Harmonic Gauge
Miguel Duarte, Justin C. Feng, Edgar Gasperin +1
It is shown that a large class of systems of non-linear wave equations, based on the good-bad-ugly model, admit formal solutions with polyhomogeneous expansions near null infinity.…