On the homotopy exact sequence for Noris fundamental group
نشر في H\\'el\\`ene Esnault
بتاريخ 2009
والبحث باللغة
English
تحميل البحث
الملخص بالإنكليزية
Unlike Grothendiecks etale fundamental group, Noris fundamental group does not fulfill the homotopy exact sequence in general. We give necessary and sufficient conditions which force exactness of the sequence.