Alphabeta Math

Spherical electrovacuum mass and local rigidity

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1 · Prerequisites
2 · Logical flowchart

3 · Items

Definition

Spherical orbit geometry and rotational invariance

Lemma

Source-free rotational Maxwell fields have constant fluxes

Lemma

Ricci tensor and volume form on a Lorentzian surface

Definition

Spherical electrovacuum quotient and charged mass

Lemma

Warped two-sphere curvature and charged mass conservation

Theorem

Local charged Birkhoff rigidity away from critical areal gradients

Sources