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The wild Brauer-Manin obstruction

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  • UserMargherita Pagano (Imperial) World_link
  • ClockTuesday 19 November 2024, 14:30-15:30
  • HouseMR13.

If you have a question about this talk, please contact Jef Laga.

A way to study rational points on a variety is by looking at their image in the p-adic points. Some natural questions that arise are the following: is there any obstruction to weak approximation on the variety? Which primes might be involved in it? I will explain how primes of good reduction can play a role in the Brauer-Manin obstruction to weak approximation, with particular emphasis on the case of K3 surfaces.

This talk is part of the Number Theory Seminar series.

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