Roozbeh Hazrat (Western Sydney University) is speaking in the Algebra Seminar this week. We will go out for lunch after the talk. When: Friday 27 October, 12-1pm Where: Carslaw 173 Title: Sandpile models and Leavitt algebras Abstract: Sandpile models are about how things spread along a grid (think of Covid!) and Leavitt algebras are algebras associated to directed graphs. We relate these two subjects!