ELI5: Explain Like I'm 5

Convex uniform honeycombs in hyperbolic space

Well hello there little one! Do you like shapes and spaces? Well, let me tell you about something called convex uniform honeycombs in hyperbolic space.

First, let's talk about what a honeycomb is. Have you ever seen a beehive? A honeycomb is kind of like that, but instead of bees, we're talking about shapes. A honeycomb is made up of identical shapes that fit together perfectly to fill a space without any gaps.

Now, let's talk about what "convex" means. Imagine you have a ball. If you draw a straight line from any point on the surface of the ball to another point on the surface of the ball, that line will stay inside the ball. That's what "convex" means - no matter what two points you choose, the line connecting them stays inside the shape.

Finally, let's talk about "hyperbolic space". Remember when we talked about different shapes and spaces? Hyperbolic space is one of those spaces. It's a little tricky to think about, but imagine you're on a giant piece of paper that's been crumpled up. In hyperbolic space, distances between points are different than they would be on a flat piece of paper or a sphere.

So what does all this mean for a convex uniform honeycomb in hyperbolic space? It means we have a honeycomb made up of identical shapes, all of which are convex (like our ball), and are arranged in a space where distances between points are a little weird (like our crumpled paper). The shapes all fit together perfectly to fill up the space without any gaps, just like a real beehive.

Phew, that was a lot of explaining! Do you have any questions, little one?
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