Preprint in the OpenAI Math release
An integral counterexample to Gersten's conjecture
OpenAI
Abstract
We construct a two-dimensional ramified regular local ring A of mixed characteristic for which has a nonzero kernel. This disproves Gersten's conjecture in its unrestricted integral form.
open until 1 Jan 2028
est. 50% chance this result is independently verified by the end of 2027.
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