Open AccessPositivity of the Bondi mass in Bondi's radiating spacetimes
Author(s) -
Wen-ling Huang,
Shing-Tung Yau,
Xiao Zhang
Publication year - 2006
Publication title -
rendiconti lincei matematica e applicazioni
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.824
H-Index - 28
eISSN - 1720-0768
pISSN - 1120-6330
DOI - 10.4171/rlm/472
Subject(s) - mathematics , mathematical physics , physics
We find two conditions related to the {\it news functions} of the Bondi'sradiating vacuum spacetimes. We provide a complete proof of the positivity ofthe Bondi mass by using Schoen-Yau's method under one condition and by usingWitten's method under another condition.
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