Arithmetic and Geometry Around Galois Theory

1. Algebraic Stacks with a View Toward Moduli Stacks of Covers
José Bertin

2. Models of Curves
Matthieu Romagny

3. Galois Categories
Anna Cadoret

4. Fundamental Groupoid Scheme
Michel Emsalem

5. Extension of Galois Groups by Solvable Groups, and Application to Fundamental Groups of Curves
Niels Borne

6. On the “Galois Closure” for Finite Morphisms
Marco A. Garuti

7. Hasse Principle and Cohomology of Groups
Jean-Claude Douai

8. Periods of Mixed Tate Motives, Examples, l-adic Side
Zdzisłlaw Wojtkowiak

9. On Totally Ramified Extensions of Discrete Valued Fields
Lior Bary-Soroker, Elad Paran

10. An Octahedral Galois-Reflection Tower of Picard Modular Congruence Subgroups
Rolf-Peter Holzapfel, Maria Petkova

Keywords: Mathematics, Algebraic Geometry, Field Theory and Polynomials, Group Theory and Generalizations