English

Chern characters for curved dg-algebras

Algebraic Geometry 2022-02-24 v1 K-Theory and Homology

Abstract

We construct a quasi-inverse of the cochain map on the negative cyclic complexes of the second kind induced from the quasi-Yoneda embedding on a curved dg algebra. This gives an explicit formula for the Chern character of a perfect module.

Keywords

Cite

@article{arxiv.2202.11403,
  title  = {Chern characters for curved dg-algebras},
  author = {Kuerak Chung and Bumsig Kim and Taejung Kim},
  journal= {arXiv preprint arXiv:2202.11403},
  year   = {2022}
}
R2 v1 2026-06-24T09:50:52.838Z