November 13, 2020 (08:00 AM PST - 09:00 AM PST) Seminar DDC - Introductory Seminar: Sequences of squares II: Definability
November 11, 2020 (08:00 AM PST - 09:00 AM PST) Seminar DDC - Introductory Seminar: Sequences of squares I: Diophantine equations
November 04, 2020 (09:00 AM PST - 10:00 AM PST) Seminar DDC - Valuation Theory: Hilbert's tenth problem for rings of exponential polynomials