ELI5: Explain Like I'm 5

Quaternionic discrete series representation

Okay kiddo, so you know how we use numbers like 1, 2, 3, and 4 to count how many things we have, right? Well, there are some special kinds of numbers called quaternions that let us do some really cool things in math.

Now, imagine you have a toy that can spin around and around. We can use quaternions to keep track of how the toy is spinning. But that's not all, quaternions can also tell us how the toy looks when we look at it from different angles.

Scientists and mathematicians use something called a quaternionic discrete series representation to figure out all the different ways the toy can look when it's spinning. It's like having a really cool superpower to be able to understand all these different possibilities!

But it's not just about toys spinning – quaternionic discrete series representation can help us understand lots of other things, like how particles move and interact in the world around us. And who knows, maybe one day you'll use quaternions to solve some really important problem in the world!
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