TY - JOUR AU - Eva Viehmann TI - Truncations of level $1$ of elements in the loop group of a reductive group JO - Annals of mathematics PY - 2014 SP - 1009 EP - 1040 VL - 179 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4007/annals.2014.179.3.3/ DO - 10.4007/annals.2014.179.3.3 LA - en ID - 10_4007_annals_2014_179_3_3 ER -