On démontre que les plus grands sous-groupes divisibles desgroupes et d’une courbe elliptique sur un corps global de caractéristique positive sont uniquement divisibles et on décrit explicitement les -groupes modulo leurs plus grands sous-groupes divisibles. On calcule également la cohomologie motivique du modèle minimal de qui est une surface elliptique sur un corps fini.
In this paper, we show that the maximal divisible subgroup of groups and of an elliptic curve over a function field is uniquely divisible. Further those -groups modulo this uniquely divisible subgroup are explicitly computed. We also calculate the motivic cohomology groups of the minimal regular model of , which is an elliptic surface over a finite field.
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Keywords: K-theory, function field, elliptic curve, motivic cohomology
Mot clés : K-théorie, corps de fonctions, courbe elliptique, cohomologie motivique
Kondo, Satoshi 1, 2 ; Yasuda, Seidai 3
@article{AIF_2018__68_5_2005_0, author = {Kondo, Satoshi and Yasuda, Seidai}, title = {First and second $K$-groups of an elliptic curve over a global field of positive characteristic}, journal = {Annales de l'Institut Fourier}, pages = {2005--2067}, publisher = {Association des Annales de l{\textquoteright}institut Fourier}, volume = {68}, number = {5}, year = {2018}, doi = {10.5802/aif.3202}, language = {en}, url = {https://aif.centre-mersenne.org/articles/10.5802/aif.3202/} }
TY - JOUR AU - Kondo, Satoshi AU - Yasuda, Seidai TI - First and second $K$-groups of an elliptic curve over a global field of positive characteristic JO - Annales de l'Institut Fourier PY - 2018 SP - 2005 EP - 2067 VL - 68 IS - 5 PB - Association des Annales de l’institut Fourier UR - https://aif.centre-mersenne.org/articles/10.5802/aif.3202/ DO - 10.5802/aif.3202 LA - en ID - AIF_2018__68_5_2005_0 ER -
%0 Journal Article %A Kondo, Satoshi %A Yasuda, Seidai %T First and second $K$-groups of an elliptic curve over a global field of positive characteristic %J Annales de l'Institut Fourier %D 2018 %P 2005-2067 %V 68 %N 5 %I Association des Annales de l’institut Fourier %U https://aif.centre-mersenne.org/articles/10.5802/aif.3202/ %R 10.5802/aif.3202 %G en %F AIF_2018__68_5_2005_0
Kondo, Satoshi; Yasuda, Seidai. First and second $K$-groups of an elliptic curve over a global field of positive characteristic. Annales de l'Institut Fourier, Tome 68 (2018) no. 5, pp. 2005-2067. doi : 10.5802/aif.3202. https://aif.centre-mersenne.org/articles/10.5802/aif.3202/
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