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gr-qc2010★ 1 cited
A simple tensorial proof for the completely symmetric property of the Bel-Robinson tensor
Lau Loi So
The Bel-Robinson tensor was proposed in 1958. The main application of this tensor is for describing gravitational energy. It is known that has many nice prope…
gr-qc2010
An unique alternative non-negative gravitational energy tensor to the Bel-Robinson tensor in the quasilocal small sphere limit
Lau Loi So
The Bel-Robinson tensor gives a positive definite gravitational energy in the quasilocal small sphere limit approximation. However, there is an alternative tensor $V_{αβ…