English

Cofinality Theorems of Infinity Categories and Algebraic K-Theory

Algebraic Topology 2024-05-07 v1 K-Theory and Homology

Abstract

In this paper, we establish a theorem that proves a condition when an inclusion morphism between simplicial sets becomes a weak homotopy equivalence. Additionally, we present two applications of this result. The first application demonstrates that cofinal full inclusion functors of (\infty)-categories are weak homotopy equivalences. For our second application, we provide an alternative proof of Barwick's cofinality theorem of algebraic (K)-theory.

Keywords

Cite

@article{arxiv.2405.03498,
  title  = {Cofinality Theorems of Infinity Categories and Algebraic K-Theory},
  author = {Hisato Matsukawa},
  journal= {arXiv preprint arXiv:2405.03498},
  year   = {2024}
}