English

Notes on A^1-contractibility and A^1-excision

Algebraic Geometry 2018-09-07 v1 Algebraic Topology K-Theory and Homology

Abstract

We prove that a smooth scheme of dimension nn over a perfect field is A^1-weakly equivalent to a point if it is A^1-n-connected. We also prove an excision result for A^1-homotopy sheaves over a perfect field.

Keywords

Cite

@article{arxiv.1809.01895,
  title  = {Notes on A^1-contractibility and A^1-excision},
  author = {Yuri Shimizu},
  journal= {arXiv preprint arXiv:1809.01895},
  year   = {2018}
}
R2 v1 2026-06-23T03:56:20.207Z