ELI5: Explain Like I'm 5

Holomorphic Lefschetz fixed-point formula

Okay kiddo, so this is about a math formula that helps us understand things that don't move even when we move them around.

Now, let's imagine you have a toy car and you want to paint it. But you need to hold it still so you don't mess up the paint. You put the car on a table and hold it in place with your hand. Even when you move your hand around, the car stays in the same place on the table. This is kind of like the fixed-points we're talking about.

But this formula we're talking about is about bigger things than just a toy car on a table. It's about shapes that we can twist and squish and still find fixed-points. These shapes are called "manifolds" and they're kinda like a big Play-Doh ball that we can mold into different shapes.

So imagine we have a big Play-Doh ball that's shaped like a donut. We can twist and squish it, but there will always be a certain point inside the donut that doesn't move no matter what we do. This point is a fixed-point and it's kind of like the car staying still on the table.

Now, this formula we're talking about helps us find these fixed-points when we twist and squish these manifolds. But it's not just any formula, it's a fancy math formula called the "holomorphic Lefschetz fixed-point formula". It has lots of complicated parts, but if we use it right, it can help us understand how these manifolds behave when we twist and squish them.

So, in summary, think of the holomorphic Lefschetz fixed-point formula as a tool that helps us find fixed-points on big Play-Doh shapes that we can twist and squish around. Just like we can stick our toy car on a table and it won't move, even when we move our hand around it.