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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Published in:arXiv.org 2010-04
Main Authors: Cortiñas, G, Haesemeyer, C, Walker, Mark E, Weibel, C
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Language:English
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Number theory
Questions
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Haesemeyer, C
Walker, Mark E
Weibel, C
description 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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Questions
title A negative answer to a question of Bass
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