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DDC: Junior Seminar (Fall 2020)

Decidability, Definability, and Computability in Number Theory

DDC Junior Seminar

Tuesdays at 9:00am Pacific Time
Organizers: Russell Miller, Lynn Scow, and Meng-Che "Turbo" Ho

The seminar will feature research talks by the six postdoctoral scholars appointed to the Fall 2020 DDC program, along with talks by students and other pre-tenure researchers associated with this program. Since seminar attendees will have disparate backgrounds, we plan that these talks will not be too advanced, nor will they assume substantial background knowledge. Our postdocs include number theorists, model theorists, and computable structure theorists, and talks can be expected to span all of these areas.


Torsors and Topology in Diophantine Problems

Speaker: David Corwin
August 25, 2020 (09:00 AM PDT - 10:00 AM PDT)
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Definability Results in Global Fields and Connections with Central Simple Algebras

Speaker: Philip Dittmann
September 01, 2020 (09:00 AM PDT - 10:00 AM PDT)
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Semi-retractions and generalized indiscernibles in model theory

Speaker: Lynn Scow
September 08, 2020 (09:00 AM PDT - 10:00 AM PDT)
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Monodromy groups in algebraic geometry

Speaker: Borys Kadets
September 15, 2020 (09:00 AM PDT - 10:00 AM PDT)
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Model theory and non-Archimedean analytic spaces

Speaker: Jinhe Ye
September 22, 2020 (09:00 AM PDT - 10:00 AM PDT)
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Finite Grothendiekc ring

Speaker: Esther Elbaz
September 29, 2020 (09:00 AM PDT - 10:00 AM PDT)
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0-1 laws for finitely presented structures

Speaker: Meng-Che Ho
October 06, 2020 (09:00 AM PDT - 10:00 AM PDT)
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Artin-Schreier extensions & combinatorial complexity

Speaker: Blaise Boissonneau
October 13, 2020 (09:00 AM PDT - 10:00 AM PDT)
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A topological approach to undefinability in algebraic extensions of the rationals

Speaker: Caleb Springer
October 20, 2020 (09:00 AM PDT - 10:00 AM PDT)
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Two Effective Concept Classes of PACi Incomparable Degrees

Speaker: Gihanee Senadheera
October 27, 2020 (09:00 AM PDT - 10:00 AM PDT)
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The top weight cohomology of A_g

Speaker: Juliette Bruce
November 03, 2020 (09:00 AM PDT - 10:00 AM PDT)
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A Geometric Hilbert's Tenth Problem for Positive Characteristic Function Fields

Speaker: Brian Tyrrell
November 10, 2020 (09:00 AM PDT - 10:00 AM PDT)
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My favorite theorem

Speaker: Uri Andrews
November 17, 2020 (09:00 AM PDT - 10:00 AM PDT)
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Diophantine problems over infinitely ramified fields

Speaker: Konstantinos Kartas
December 01, 2020 (09:00 AM PDT - 10:00 AM PDT)
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TBA

Speaker: TBA
December 08, 2020 (09:00 AM PDT - 10:00 AM PDT)
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TBA

Speaker: TBA
December 15, 2020 (09:00 AM PDT - 10:00 AM PDT)
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