A negative answer to a question of Bass

In this companion paper to arXiv:0802.1928 we provide an example of an isolated surface singularity \(R\) over a number field such that \(K_0(R) = K_0(R[t])\) but \(K_0(R) \neq K_0(R[t_1,t_2])\). This answers, negatively, a question of Bass.

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Bibliographic Details
Published in:arXiv.org 2010-04
Main Authors: Cortiñas, G, Haesemeyer, C, Walker, Mark E, Weibel, C
Format: Article
Language:English
Subjects:
Number theory
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Summary:In this companion paper to arXiv:0802.1928 we provide an example of an isolated surface singularity \(R\) over a number field such that \(K_0(R) = K_0(R[t])\) but \(K_0(R) \neq K_0(R[t_1,t_2])\). This answers, negatively, a question of Bass.
ISSN:2331-8422