Remarks on K(1)-local K-theory
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Remarks on K(1)-local K-theory. / Bhatt, Bhargav; Clausen, Dustin; Mathew, Akhil.
In: Selecta Mathematica, Vol. 26, No. 3, 39, 2020.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Remarks on K(1)-local K-theory
AU - Bhatt, Bhargav
AU - Clausen, Dustin
AU - Mathew, Akhil
PY - 2020
Y1 - 2020
N2 - We prove two basic structural properties of the algebraic K-theory of rings after K(1)-localization at an implicit prime p. Our first result (also recently obtained by Land–Meier–Tamme by different methods) states that LK(1)K(R) is insensitive to inverting p on R; we deduce this from recent advances in prismatic cohomology and TC. Our second result yields a Künneth formula in K(1)-local K-theory for adding p-power roots of unity to R.
AB - We prove two basic structural properties of the algebraic K-theory of rings after K(1)-localization at an implicit prime p. Our first result (also recently obtained by Land–Meier–Tamme by different methods) states that LK(1)K(R) is insensitive to inverting p on R; we deduce this from recent advances in prismatic cohomology and TC. Our second result yields a Künneth formula in K(1)-local K-theory for adding p-power roots of unity to R.
U2 - 10.1007/s00029-020-00566-6
DO - 10.1007/s00029-020-00566-6
M3 - Journal article
VL - 26
JO - Selecta Mathematica, New Series
JF - Selecta Mathematica, New Series
SN - 1022-1824
IS - 3
M1 - 39
ER -
ID: 259823810