4.1 Article

FIRST AND SECOND K-GROUPS OF AN ELLIPTIC CURVE OVER A GLOBAL FIELD OF POSITIVE CHARACTERISTIC

Journal

ANNALES DE L INSTITUT FOURIER
Volume 68, Issue 5, Pages 2005-2067

Publisher

ANNALES INST FOURIER
DOI: 10.5802/aif.3202

Keywords

K-theory; function field; elliptic curve; motivic cohomology

Categories

Funding

  1. JSPS [17740016, 15H03610, 24540018, 21540013, 16244120]
  2. World Premier International Research Center Initiative (WPI Initiative), MEXT, Japan

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In this paper, we show that the maximal divisible subgroup of groups K-1 and K-2 of an elliptic curve E over a function field is uniquely divisible. Further those K-groups modulo this uniquely divisible subgroup are explicitly computed. We also calculate the motivic cohomology groups of the minimal regular model of E, which is an elliptic surface over a finite field.

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