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 ==== Upcoming talks ====
-**February 17 2026: Steven Robertson**
+**February 17 2026: [[https://sites.google.com/view/stevenrobertson|Steven Robertson]]** //Number walls of automatic sequences//
+Given any one-dimensional sequence S, one can generate a unique two-dimensional sequence by considering the determinants of the Toeplitz matrices defined by S. This is known as the number wall of S. It is conjectured that if S is automatic, then the number wall of S is itself a two-dimensional automatic sequence. In this talk, we will discuss evidence towards this conjecture as well as some recent partial results. The talk aims to be accessible for people with no experience of number walls.
 **March 03 2026: Ingrid Vukusic**