English

Virtual excess intersection theory

Algebraic Geometry 2021-10-11 v3 K-Theory and Homology

Abstract

We prove a K-theoretic excess intersection formula for derived Artin stacks. When restricted to classical schemes, it gives a refinement and new proof of R. Thomason's formula.

Cite

@article{arxiv.1909.13829,
  title  = {Virtual excess intersection theory},
  author = {Adeel A. Khan},
  journal= {arXiv preprint arXiv:1909.13829},
  year   = {2021}
}

Comments

12 pages, final version (minor revisions)

R2 v1 2026-06-23T11:30:32.188Z