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$K$-theory of one-dimensional rings via pro-excision

Part of: Higher algebraic $K$-theory Curves

Published online by Cambridge University Press:  23 July 2013

Matthew Morrow
Matthew Morrow*
Affiliation:
University of Chicago, 5734 S. University Ave., Chicago, IL, 60637, USA ([email protected])
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Abstract

This paper studies ‘pro-excision’ for the $K$-theory of one-dimensional, usually semi-local, rings and its various applications. In particular, we prove Geller’s conjecture for equal characteristic rings over a perfect field of finite characteristic, give results towards Geller’s conjecture in mixed characteristic, and we establish various finiteness results for the $K$-groups of singularities, covering both orders in number fields and singular curves over finite fields.

Keywords

K-theoryexcisionsingularitiescyclic homologyp-adic fields

MSC classification

Secondary: 19D55: $K$-theory and homology; cyclic homology and cohomology 14H20: Singularities, local rings
Type
Research Article
Information
Journal of the Institute of Mathematics of Jussieu , Volume 13 , Issue 2 , April 2014 , pp. 225 - 272
Copyright
©Cambridge University Press 2013 

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