English

Chern character and obstructions to deforming cycles

Algebraic Geometry 2021-09-23 v1

Abstract

Following Bloch-Esnault-Kerz and Green-Griffiths' recent works on deformation of algebraic cycle classes, we use Chern character from K-theory to negative cyclic homology to show how to eliminate obstructions to deforming cycles.

Keywords

Cite

@article{arxiv.2109.10723,
  title  = {Chern character and obstructions to deforming cycles},
  author = {Sen Yang},
  journal= {arXiv preprint arXiv:2109.10723},
  year   = {2021}
}
R2 v1 2026-06-24T06:13:01.443Z