Nonzero constant curvature pp-wave metrics are almost universal, reducing generic gravity field equations to cosmological Einstein-Maxwell theory with null dust on the background topology R^{1,1} × S².
Gravity waves in three dimensions
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gr-qc 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
A critical flat Maxwell flux string geometry in cosmological Einstein-Maxwell theory interpolates between Nariai and Bertotti-Robinson spacetimes and serves as an almost universal solution for algebraic higher-curvature gravities.
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New Almost Universal Metrics
Nonzero constant curvature pp-wave metrics are almost universal, reducing generic gravity field equations to cosmological Einstein-Maxwell theory with null dust on the background topology R^{1,1} × S².
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The Flat Critical Branch Between Nariai and Bertotti-Robinson Geometries as a Solution of Cosmological Einstein-Maxwell Theory
A critical flat Maxwell flux string geometry in cosmological Einstein-Maxwell theory interpolates between Nariai and Bertotti-Robinson spacetimes and serves as an almost universal solution for algebraic higher-curvature gravities.