Fall 2020 Schedule of Talks Click on the title of a talk for the abstract (if available). September 10Virtual meeting, 4pm EDT Steven J. MillerMath Corps and Williams College Why I love monovariants: from Zombies toConway’s Soldiers via the Golden Mean September 17Virtual meeting, 4pm EDT Drew ArmstrongUniversity of Miami All but finitely many finite simple groups September 24Virtual meeting, 4pm EDT Martin WeissmanUC Santa Cruz Conway’s topographs October 1Virtual meeting, 4pm EDT Michael O’ConnorJane Street Clever tiling proofs and when they no longer work October 8Virtual meeting, 4pm EDT Matt BakerGeorgia Tech How Quadratic Reciprocity is like Dealing Cards October 15Virtual meeting, 4pm EDT Amanda BurcroffMath Corps and Durham University Thinking outside the polygon: Frieze patterns October 22Virtual meeting, 4pm EDT Chaya NortonU(M) Sprouts vs. Brussels Sprouts October 29Virtual meeting, 4pm EDT Jessica FintzenUniversity of Cambridge and Duke University On Numbers and Games November 5Virtual meeting, 4pm EST Hy BassU(M) Tiling rectangles and cutting cakes November 12Virtual meeting, 4pm EST Heather ArmstrongSomewhere in North America Analyzing Penney Ante with Conway’s Algorithm November 19Virtual meeting, 4pm EST Nate HarmanUniversity of Chicago Learning to code with FRACTRAN November 26 [No meeting] Happy Thanksgiving! December 3Virtual meeting, 4pm EST Tim GoldbergLenoir-Rhyne University You Spin Me Right Round, Baby:The Conway-Radin Pinwheel Tiling December 10Virtual meeting, 4pm EST Krista Hart, Cassandra Pokopowicz,and Chang Wang Directed Reading Program Presentations