p -adic representations arising from descent on abelian varieties Michael Harris (1979) Compositio Mathematica
p-adic measures attached to automorphic representations of GL (3). C.G. Schmidt (1988) Inventiones mathematicae
Positivity of quadratic base change L -functions Hervé Jacquet, Chen Nan (2001) Bulletin de la Société Mathématique de France We show that certain quadratic base change L -functions for Gl ( 2 ) are non-negative at their center of symmetry.