ELI5: Explain Like I'm 5

Quasi-homogeneous polynomial

Okay little one, a quasi-homogeneous polynomial is a type of math equation that is kind of like a recipe for making something yummy.

Let's imagine we're making a cake together, and we have a list of ingredients that we need to measure out: flour, sugar, eggs, butter. To make things easy, we'll measure everything in tablespoons.

Now, let's say we have a rule that says we have to be really careful about how much we use of each ingredient. We need to make sure that the amount of flour we use is twice the amount of sugar, and the amount of butter we use is half the amount of eggs.

If we wrote these rules down as an equation, it might look something like this:

2F = S
E/2 = B

This is kind of like a quasi-homogeneous polynomial. It's a set of rules that tell us how much of each ingredient we need to use to make a delicious cake, but it also has some special properties.

For example, if we multiply all of the numbers in each rule by the same number (like if we doubled all of them), the equation would still be true. This is called being "homogeneous."

But, the equation doesn't have to be completely homogeneous. It can have some parts that are a little bit different. That's what makes it "quasi-homogeneous."

So, in summary, a quasi-homogeneous polynomial is like a recipe that has some special rules about how much of each ingredient to use, but it's okay if those rules have some parts that are a little bit different.