 Brownian transition semigroup

ID: brownian-transition-semigroup

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

For suitable

f

(P_{t} f) (x) = E [f (x + t Z)]

\frac{d}{d t} P_{t} f = \frac{1}{2} P_{t} f^{''} .

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