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Positivity of the Bondi mass in Bondi's radiating spacetimes

Wen-ling Huang·Shing Tung Yau·Xiao Zhang
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Abstract

We find two conditions related to the {\it news functions} of the Bondi's radiating vacuum spacetimes. We provide a complete proof of the positivity of the Bondi mass by using Schoen-Yau's method under one condition and by using Witten's method under another condition.

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Wen-ling Huang, Shing Tung Yau, Xiao Zhang. 2006-09-22. Positivity of the Bondi mass in Bondi's radiating spacetimes. https://arxiv.org/abs/math/0604155

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