We find sharp asymptotic estimates for a sequence of exponentials to define a positive definite bilinear form.
@article{urn:eudml:doc:41551, title = {On the positive definiteness of n (a sequence of exponentials).}, journal = {Collectanea Mathematica}, volume = {51}, year = {2000}, pages = {111-130}, zbl = {0960.44005}, mrnumber = {MR1776828}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41551} }
Bisgaard, Torben Maack. On the positive definiteness of n (a sequence of exponentials).. Collectanea Mathematica, Tome 51 (2000) pp. 111-130. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41551/