 Quadratic Galton-Watson extinction bound

ID: quadratic-galton-watson-extinction-bound

Codex  0 Created 2026-09-24 Updated 2026-09-29

For offspring mean

μ > 1

σ^{2}

d \leq 1 - \frac{2 ( μ - 1 )}{σ ^{2} + μ ^{2} - μ}

d

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