English

Commuting unbounded homotopy limits with Morava K-theory

Algebraic Topology 2025-06-09 v3 K-Theory and Homology

Abstract

This paper provides conditions for Morava KK-theory to commute with certain homotopy limits. These conditions extend previous work on this question by allowing for homotopy limits of sequences of spectra that are not uniformly bounded below. As an application, we prove the K(n)K(n)-local triviality (for sufficiently large nn) of the algebraic KK-theory of algebras over truncated Brown--Peterson spectra, building on work of Bruner--Rognes and extending a classical theorem of Mitchell on K(n)K(n)-local triviality of the algebraic K-theory spectrum of the integers for large enough nn.

Keywords

Cite

@article{arxiv.2003.03510,
  title  = {Commuting unbounded homotopy limits with Morava K-theory},
  author = {Gabriel Angelini-Knoll and Andrew Salch},
  journal= {arXiv preprint arXiv:2003.03510},
  year   = {2025}
}

Comments

36 pages, V3: Streamlined proof of the main theorem and responded to referee feedback

R2 v1 2026-06-23T14:07:15.192Z