Under suitable hypotheses, we verify that the global root number of a motivic L-function is inductive (invariant under induction).
@article{bwmeta1.element.bwnjournal-article-doi-10_4064-aa159-3-3, author = {David E. Rohrlich}, title = {Inductivity of the global root number}, journal = {Acta Arithmetica}, volume = {161}, year = {2013}, pages = {245-256}, zbl = {1307.11080}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa159-3-3} }
David E. Rohrlich. Inductivity of the global root number. Acta Arithmetica, Tome 161 (2013) pp. 245-256. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-aa159-3-3/