Preprint in the OpenAI Math release
A finitely generated counterexample to the Eilenberg–Ganea conjecture
OpenAI
Abstract
We construct a finitely generated residually finite group of integral cohomological dimension two and geometric dimension three, disproving the Eilenberg–Ganea conjecture.
open until 1 Jan 2028
est. 50% chance this result is independently verified by the end of 2027.
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