The universe appears fond of special numbers. Some come from geometry, like π or the square root of two. Some, like the fine structure constant, connect stars being able to shine to why buttered bread ...

It’s time for us all to understand the Exponential Function. One of the hallmarks of COVID-19 is its exponential nature, with numbers of infected currently doubling about every 4 days in the US. This ...

Forbes contributors publish independent expert analyses and insights. The Universe is out there, waiting for you to discover it. In the case of the coronavirus COVID-19, exponential growth will occur ...

For diffeomorphisms of smooth compact finite-dimensional manifolds, we consider the problem of how fast the number of periodic points with period n grows as a function of n. In many familiar cases ...