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Speaker:
Florian Pop
Affiliation:
University of Pennsylvania/MPIM
Date:
Wed, 03/06/2026 - 14:30 - 15:30
Location:
MPIM Lecture Hall
Parent event:
Number theory lunch seminar The t-birational Section Conjecture (t-BSC) is one of the several
conjectures resulting from Grothendieck's Section Conjecture (SC).
The t-BSC was formulated by Bresciani (it seems, inspired by work
of Esnault-Wittenberg) and proved (Inventiones 2024) in the context
of SC. In this talk I plan to give a quick introduction to the several
variants of SC, and further present both: First, a wide generalization
of the context in which t-BSC holds, and second, a 'minimalistic'
refinement of t-BSC, in which one uses only minimal geometrical
Galois information. The presentation is accessible to anyone who
is familiar with basics of algebraic geometry and basics of (etale)
fundamental groups / Galois Theory.
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