# Motivic strict ring models for K-theory

**Authors:** Oliver R\"ondigs, Markus Spitzweck, Paul Arne {\O}stv{\ae}r

arXiv: 0907.4121 · 2009-07-24

## TL;DR

This paper constructs strict ring models for algebraic K-theory within motivic stable homotopy theory, providing a precise algebraic structure that enhances the understanding of K-theory in algebraic geometry.

## Contribution

It introduces strict ring models for K-theory in motivic homotopy theory, distinguishing them from homotopy-only structures and using motivic functors and spectra frameworks.

## Key findings

- Strict ring models represent K-theory for noetherian schemes.
- The construction parallels topological results using motivic methods.
- Provides a foundation for algebraic K-theory with strict algebraic structures.

## Abstract

It is shown that the K-theory of every noetherian base scheme of finite Krull dimension is represented by a strict ring object in the setting of motivic stable homotopy theory. The adjective `strict' is used to distinguish between the type of ring structure we construct and one which is valid only up to homotopy. Both the categories of motivic functors and motivic symmetric spectra furnish convenient frameworks for constructing the ring models. Analogous topological results follow by running the same type of arguments as in the motivic setting.

## Full text

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## References

13 references — full list in the complete paper: https://tomesphere.com/paper/0907.4121/full.md

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Source: https://tomesphere.com/paper/0907.4121