The descent obstruction
Niven Achenjang (MIT)
Abstract: Topics: Evaluation of torsors; Selmer set; weak Mordell-Weil theorem; descent obstruction.
Reference: Poonen, Rational points on varieties, Sections 8.4.1-8.4.5 and 8.4.7.
algebraic geometrynumber theory
Audience: advanced learners
Series comments: STAGE (Seminar on Topics in Arithmetic, Geometry, Etc.) is a learning seminar in algebraic geometry and number theory, featuring speakers talking about work that is not their own. Talks will be at a level suitable for graduate students. Everyone is welcome.
Fall 2025 topic: Weil conjectures.
Some topics might take more or less time than allotted. If a speaker runs out of time on a certain date, that speaker might be allowed to borrow some time on the next date. So the topics below might not line up exactly with the dates below.
| Organizers: | Xinyu Fang*, Mikayel Mkrtchyan*, Hao Peng*, Vijay Srinivasan*, Eran Asaf*, Bjorn Poonen*, Wei Zhang* |
| *contact for this listing |