English

Constructing the determinant sphere using a Tate twist

Algebraic Topology 2021-09-14 v2

Abstract

Following an idea of Hopkins, we construct a model of the determinant sphere SdetS\langle det \rangle in the category of K(n)K(n)-local spectra. To do this, we build a spectrum which we call the Tate sphere S(1)S(1). This is a pp-complete sphere with a natural continuous action of Zp×\mathbb{Z}_p^\times. The Tate sphere inherits an action of Gn\mathbb{G}_n via the determinant and smashing Morava EE-theory with S(1)S(1) has the effect of twisting the action of Gn\mathbb{G}_n. A large part of this paper consists of analyzing continuous Gn\mathbb{G}_n-actions and their homotopy fixed points in the setup of Devinatz and Hopkins.

Cite

@article{arxiv.1810.06651,
  title  = {Constructing the determinant sphere using a Tate twist},
  author = {Tobias Barthel and Agnès Beaudry and Paul G. Goerss and Vesna Stojanoska},
  journal= {arXiv preprint arXiv:1810.06651},
  year   = {2021}
}

Comments

Revised version, including a correction and a newly included example in the last section

R2 v1 2026-06-23T04:40:39.894Z