After Centuries, a Simple Math Problem Gets an Exact Solution Mathematicians have long pondered a deceptively easy puzzle about the reach of a goat tied to a fence.

A simple arithmetic problem has left internet users scratching their heads - with only a few landing on the correct solution to this elementary school-level equation.

Boundary value problems (BVPs) and partial differential equations (PDEs) are critical components of modern applied mathematics, underpinning the theoretical and practical analyses of complex systems.

Inverse Problems in Differential Equations Publication Trend The graph below shows the total number of publications each year in Inverse Problems in Differential Equations.

Here’s a simple-sounding problem: Imagine a circular fence that encloses one acre of grass. If you tie a goat to the inside of the fence, how long a rope do you need to allow the animal access to ...