On the arithmetic of del Pezzo surfaces of degree 2
Andrew KreschYuri Tschinkel
所有作者
Andrew KreschYuri Tschinkel
文献摘要
We study the arithmetic of certain del Pezzo surfaces of degree 2. We produce
examples of Brauer-Manin obstruction to the Hasse principle, coming from 2- and
4-torsion elements in the Brauer group.