Manuscript Oai365-A@1 · Oai365-A.tex · section · a3840e3d

Even a pointwise cone field does not determine curvature

Regularity, metric jets, and dynamics separation › Even a pointwise cone field does not determine curvature · lines 1575–1583

In four-dimensional signature $(- + + +)$ , let

G = e^{2 φ} η .

It has exactly the same future cones as $η$ , with the same time orientation.

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