Algebraic K-theory of elliptic cohomology

Fuente: arXiv
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Main Authors: Angelini-Knoll, Gabriel, Ausoni, Christian, Culver, Dominic Leon, Höning, Eva, Rognes, John
Format: Preprint
Published: 2022
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author Angelini-Knoll, Gabriel
Ausoni, Christian
Culver, Dominic Leon
Höning, Eva
Rognes, John
author_facet Angelini-Knoll, Gabriel
Ausoni, Christian
Culver, Dominic Leon
Höning, Eva
Rognes, John
contents We calculate the mod (p, v_1, v_2) homotopy V(2)_* TC(BP<2>) of the topological cyclic homology of the truncated Brown--Peterson spectrum BP<2>, at all primes p\ge7, and show that it is a finitely generated and free F_p[v_3]-module on 12p+4 generators in explicit degrees within the range -1 \le * \le 2p^3+2p^2+2p-3. At these primes BP<2> is a form of elliptic cohomology, and our result also determines the mod (p, v_1, v_2) homotopy of its algebraic K-theory. Our computation is the first that exhibits chromatic redshift from pure v_2-periodicity to pure v_3-periodicity in a precise quantitative manner.
format Preprint
id arxiv_https___arxiv_org_abs_2204_05890
institution arXiv
publishDate 2022
record_format arxiv
spellingShingle Algebraic K-theory of elliptic cohomology
Angelini-Knoll, Gabriel
Ausoni, Christian
Culver, Dominic Leon
Höning, Eva
Rognes, John
Algebraic Topology
K-Theory and Homology
Primary 19D50, 19D55, 55P43, 55Q51, Secondary 55N20, 55N34, 55N91, 55Q10, 55T25
We calculate the mod (p, v_1, v_2) homotopy V(2)_* TC(BP<2>) of the topological cyclic homology of the truncated Brown--Peterson spectrum BP<2>, at all primes p\ge7, and show that it is a finitely generated and free F_p[v_3]-module on 12p+4 generators in explicit degrees within the range -1 \le * \le 2p^3+2p^2+2p-3. At these primes BP<2> is a form of elliptic cohomology, and our result also determines the mod (p, v_1, v_2) homotopy of its algebraic K-theory. Our computation is the first that exhibits chromatic redshift from pure v_2-periodicity to pure v_3-periodicity in a precise quantitative manner.
title Algebraic K-theory of elliptic cohomology
topic Algebraic Topology
K-Theory and Homology
Primary 19D50, 19D55, 55P43, 55Q51, Secondary 55N20, 55N34, 55N91, 55Q10, 55T25
url https://arxiv.org/abs/2204.05890