Post
Clément Canonne
ccanonne.github.io
did:plc:ac6qioenkpl3jmmnib3tpbhb
As promised yesterday, a short thread on an inequality I believe deserves to be much better-known: a chain-rule-type for Hellinger distance!
You have two probability distributions p,q over product space Ω₁×...×Ωₙ. Can you relate their distance H(p,q) to the distances between their marginals?
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2026-08-10T23:10:43.065Z