
Anthropic’s Levant Alpöge cracks the Jacobian conjecture after 87 years
A Harvard valedictorian used Claude to hit a 1939 breakthrough, but the missing “why” is the real problem.
By Khalid Al-Harbi·· 4 min

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3 briefings · “fable 5”

A Harvard valedictorian used Claude to hit a 1939 breakthrough, but the missing “why” is the real problem.

Enterprises lose top-tier Claude access overnight, with fallback models auto-routing and an uncertain path to restoration.

A US order bars foreign users, and Anthropic says it will comply by turning off its latest frontier models globally.