Integral counterexamples to Gersten’s conjecture

Claimed, not checked 2 papers September 25, 2026
What the paper claims, in its own words

Disproves unrestricted integral Gersten injectivity in degrees 3 and 5. Two explicit two-dimensional ramified regular local rings of mixed characteristic (0,5)(0,5) have nonzero integral K-theory classes that vanish over their fraction fields.

The plain-language explainer for this entry is still coming.

The original papers (2)