Torsors, Étale Homotopy and Applications to Rational Points

List of contributors
Preface
Part I. Lecture Notes:
1. Three lectures on Cox rings Jürgen Hausen
2. A very brief introduction to étale homotopy Tomer M. Schlank and Alexei N. Skorobogatov
3. Torsors and representation theory of reductive groups Vera Serganova
Part II. Contributed Papers:
4. Torsors over luna strata Ivan V. Arzhantsev
5. Abélianisation des espaces homogènes et applications arithmétiques Cyril Demarche
6. Gaussian rational points on a singular cubic surface Ulrich Derenthal and Felix Janda
7. Actions algébriques de groupes arithmétiques Philippe Gille and Laurent Moret-Bailly
8. Descent theory for open varieties David Harari and Alexei N. Skorobogatov
9. Factorially graded rings of complexity one Jürgen Hausen and Elaine Herppich
10. Nef and semiample divisors on rational surfaces Antonio Laface and Damiano Testa
11. Example of a transcendental 3-torsion Brauer–Manin obstruction on a diagonal quartic surface Thomas Preu
12. Homotopy obstructions to rational points Yonatan Harpaz and Tomer M. Schlank.