ELI5: Explain Like I'm 5

Radon–Hurwitz number

Imagine you have a big basket filled with different colored balls. Each ball is special and can be grouped based on their color. Now let's say you want to combine two baskets of balls, each with their own colors. You need a rule to combine them in a way that makes sense.

The Radon-Hurwitz number is a special rule used to combine two baskets of balls that have special mathematical properties. These properties have to do with how the balls can interact with each other.

Now let's say you want to know how many balls you have in total after combining the two baskets. You can use the Radon-Hurwitz number as a formula to calculate this. It's like putting the two baskets on a scale and seeing how much they weigh together.

The Radon-Hurwitz number is used in many different areas of math, like geometry and algebra. It helps people to solve tricky problems by giving them a way to combine different mathematical concepts in a logical way.

So, the Radon-Hurwitz number is like a special rule that helps math people combine two groups of mathematical things, like baskets of balls. It's useful for solving complicated math problems and figuring out how much stuff you have when you combine different things together.