Étiquette : étale

  • The Brauer-Grothendieck-Group

    Table of contents: Introduction Diophantine equations, the Hasse principle and the Manin obstruction Content of the project Prerequisites Cohomology Reduced norm and unramied extensions Sites and sheaf cohomology The Brauer group of a field Classical construction of the Brauer group The Brauer group as a H1 The Brauer group as a H2 The Brauer group […]