A general principle, discovered by Robert Langlands and named by him the "functoriality principle," predicts relations between automorphic forms on arithmetic subgroups of different reductive groupsSimple Algebras, Base Change, And The Advanced Theory Of The Trace Formula. (am-120) available on April 10 2017 from VitalSource for itemprop="offers" target="_external" title="" itemscope itemtype="http://schema.org/Offer">102.73
