ELI5: Explain Like I'm 5

Orbifold notation

Okay, buddy, so think of it like this: imagine you have a piece of paper with a bunch of shapes drawn on it. Now, let's say you want to fold that paper so that some of the shapes overlap, but you still want the shapes to look exactly the same after folding. That's what "orbifold" notation is all about.

So, instead of just describing the shapes on the paper, we also describe how we can fold the paper to make certain shapes overlap. This is called a "transformation," and the orbifold notation tells us exactly what kind of transformation we're doing. For example, we might say that we're folding the paper in half and then flipping it over before overlapping the shapes.

The cool thing is that when mathematicians talk about orbs and orbifolds, they don't just mean literal pieces of paper. They might be talking about shapes in more complicated dimensions (which means they're not just flat like paper), or they might be talking about shapes that have weird properties, like being able to turn inside out without tearing. But no matter what kind of shape they're talking about, they can use the orbifold notation to describe how the shape can be transformed while still keeping its basic structure.

So, to sum up: orbifold notation is a way of describing how we can fold or transform shapes while still keeping them looking the same. It's like playing with paper dolls, only with more complicated shapes and mathematical formulas involved!
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