2010/04/22 by Guillermo Cortiñas⋆, G. Cortiñas, Christian Haesemeyer +8
Mathematics · #14J17 #19D35 (Primary) 14F10 #19D55 (Secondary) #Advanced Differential Equations and Dynamical Systems #Algebraic Geometry and Number Theory #FOS: Mathematics #Homotopy and Cohomology in Algebraic Topology #K-Theory and Homology (math.KT) #math.KT #msc:14F10 #msc:14J17 #msc:19D35 #msc:19D55
paper · pdf · doi:10.48550/arxiv.1004.3829
The paper was previously part of arXiv:0802.1928
arxiv created 2010/04/22 · openalex publication_date 2010/04/22 · arxiv updated 2010/04/23 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
In this companion paper to arXiv:0802.1928 we provide an example of an isolated surface singularity R over a number field such that K0(R) = K0(R[t]) but K0(R) ≠ K0(R[t1,t2]). This answers, negatively, a question of Bass.