MathDB1 problem
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The geometric horizon conjecture
Geometric horizon conjecture. Geometric horizons are surfaces for which the Riemann tensor, or one of its covariant derivatives, is algebraically special compared to the external s…
The geometric horizon conjecture
Geometric horizon conjecture. Geometric horizons are surfaces for which the Riemann tensor, or one of its covariant derivatives, is algebraically special compared to the external s…