February 14, 2025
Title: Differentiable Stacks I: Stack of Triangles
Speaker: Bas Wensink
In this first talk on differentiable stack, we will return to a mathematical object from high school mathematics: the triangle. Classifying triangles and continuous families of triangles moves us into the world of stacks, and will provide us with the first example of a stack. This gives us a concrete example in which we can see the concepts that will later play a role in the discussion of general differentiable stacks.