2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/70144We study K_2 of one-dimensional local domains over a field of characteristic 0, introduce a conjecture, and show that this conjecture implies Geller's conjecture. We also show that Berger's conjecture implies Geller's conjecture, and hence verify it in new cases.K-Theory and HomologyAlgebraic Geometry19C40text