Chromatic redshift conjecture for the K-theory of algebraic integers

Let n1n\ge1, let EnE_n be the K(n)K(n)-local Lubin–Tate ring spectrum with connective cover ene_n, and let Ωn\Omega_n be the pp-completed homotopy colimit of the connected commutative ene_n-algebras of integers BB described in the source. Let FF be a finite pp-local spectrum admitting a vn+1v_{n+1} self-map v:ΣdFFv:\Sigma^dF\to F, and let Ln+1fL^f_{n+1} be the finite localization with FLn+1fXFX[1/v]F_*L^f_{n+1}X\cong F_*X[1/v]. Chromatic redshift conjecture. For BΩnB\to\Omega_n as above, (a) multiplication by vv acts bijectively on FK(B)F_*K(B) for 0*\gg0, and K(B)Ln+1fK(B)K(B)\to L^f_{n+1}K(B) is a pp-adic equivalence in sufficiently high degrees; (b)

FK(Ωn)FEn+1F_*K(\Omega_n)\cong F_*E_{n+1}

for 0*\gg0, and

L^n+1K(Ωn)En+1.\hat L_{n+1}K(\Omega_n)\simeq E_{n+1}.

This is the general chromatic-redshift prediction: algebraic KK-theory should raise chromatic height by one. The source presents it as a conjectural statement, with no resolution supplied.

Sources & referencesView supporting material

Primary source

John Rognes, “Chromatic redshift”, arXiv:1403.4838 (2014).

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