Geometry Over Nonclosed Fields

Preface.- "On the Kobayashi pseudometric, complex automorphisms and hyper�ahler manifolds" by Fedor Bogomolov, Ljudmila Kamenova, Steven Lu, and Misha Verbitsky.- "Lines on cubic hypersurfaces over finite fields" by Olivier Debarre, Antonio Laface, and Xavier Roulleau.- "Perverse sheaves of categories and non-rationality" by Andrew Harder, Ludmil Katzarkov, and Yijia Liu.- "Divisor classes and the virtual canonical bundle for genus zero maps" by A. J. de Jong and Jason Starr.- "A stronger derived Torelli theorem for K3 surfaces" by Max Lieblich and Martin Olsson.- "Morphisms to Brauer-Severi varieties, with applications to del Pezzo surfaces" by Christian Liedtke.- "Arithmetic of K3 surfaces" by Anthony Varilly-Alvarado.- "One-dimensional cohomology with finite coefficients and roots of unity" by Yuri G. Zarhin.