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Not schoolwork — the questions that resisted Erdős, Hilbert, and everyone since. The club keeps three shelves: what is still open, what AI recently settled, and what took humanity centuries.

Tagged noncommutative-algebra — 1 entry. Clear

Every endomorphism of the first Weyl algebra is an automorphism. Open since 1968 and stably equivalent to the Jacobian conjecture — the two fall together.

Posed by Jacques Dixmier · 1968 · algebra · difficulty 5/5

noncommutative-algebra