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Graduate Algebraic Geometry and Commutative Algebra Seminar

Event Type
Seminar/Symposium
Sponsor
Department of Mathematics
Location
AH143
Date
Sep 18, 2024   3:00 pm  
Speaker
Liu, Jiantong
Contact
Zijing Ye
E-Mail
zijingy2@illinois.edu
Views
13
Originating Calendar
Graduate Student Seminars in Mathematics

Title: How to Overcomplicate the Brill-Noether Theorem
Abstract: The Brill-Noether theorem, as a purely algebro-geometric result, is concerned with the mappings of algebraic curves into projective spaces. Classic proofs, such as those by Griffiths-Harris and Lazarsfeld, rely solely on degeneration arguments and properties of vector bundles. However, modern developments have revealed surprising connections between the theorem and combinatorics. In this talk (and the subsequent one), I will present an argument that involves a mixture of degeneration techniques with a combinatorial argument of the chip-firing game from Cools-Draisma-Payne-Robeva. 

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