We show the non-existence of sections of arithmetic fundamental groups of open -adic annuli of small radii. This implies the non-existence of sections of arithmetic fundamental groups of formal boundaries of formal germs of -adic curves.
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Mohamed Saïdi 1
@article{CRMATH_2022__360_G3_291_0, author = {Mohamed Sa{\"\i}di}, title = {On sections of arithmetic fundamental groups of open $p$-adic annuli}, journal = {Comptes Rendus. Math\'ematique}, pages = {291--296}, publisher = {Acad\'emie des sciences, Paris}, volume = {360}, year = {2022}, doi = {10.5802/crmath.303}, language = {en}, }
Mohamed Saïdi. On sections of arithmetic fundamental groups of open $p$-adic annuli. Comptes Rendus. Mathématique, Volume 360 (2022), pp. 291-296. doi : 10.5802/crmath.303. https://comptes-rendus.academie-sciences.fr/mathematique/articles/10.5802/crmath.303/
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