Mappings of groups that send cosets to cosets need not have much structure. But in some cases, such mappings must be composed of translations, inversion, and group homomorphisms. We describe what is known about this and why the question is interesting.
Donnerstag, den 10. Juni 2010 um 17:15 Uhr, in INF 288, HS 2 Donnerstag, den 10. Juni 2010 at 17:15, in INF 288, HS 2