 Large-lower-limit expansion of the incomplete gamma function

ID: large-lower-limit-expansion-of-the-incomplete-gamma-function

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

For fixed

x

and

y \to \infty

γ (x, y) \sim y^{x - 1} e^{- y} \sum_{n \geq 0} (\prod_{j = 1}^{n} (x - j)) y^{- n} .

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