In this interview, Yifan Guo, a second-year graduate student studying and teaching mathematics at Brown University, shares ...

These are collections of functions, or “mappings,” that send points from a high-dimensional sphere to a lower-dimensional one. Imagine, for instance, a mapping that sends every point in a ...

The principals said wanted to make it clear that they were certain the functions constituent boards serve can be managed in more efficient ways that are aligned with the district’s priorities and ...