ELI5: Explain Like I'm 5

Univalent function

Okay kiddo, have you ever played with a rubber band? Do you know how when you stretch it out, it becomes thinner in some parts? That's what happens to shapes on maps when we stretch them out to make them fit onto a flat piece of paper.

Now, let's talk about univalent functions. These are like rubber bands for numbers (but not really, just pretend). They are special kinds of math functions that can only stretch numbers in one direction at a time. It's like if you were trying to stretch a rubber band to wrap it around a ball, but you could only stretch it in one way at a time, like stretching it from left to right or up and down, but not diagonally.

So, why is this important? Well, univalent functions are really useful in math because they help us understand how shapes get distorted when we stretch them out. Imagine you had a circle on a map and you wanted to stretch it out to make it fit onto a square piece of paper. You could use an univalent function to do this and it would keep the shape of the circle from getting too distorted or squished.

In summary, univalent functions are like rubber bands for numbers that can only stretch in one direction at a time. They help us understand how shapes get stretched and distorted when we try to fit them onto a flat surface like a map.