Okay kiddo, do you know what a group is? It's like a bunch of friends who always play together and follow some rules. But in math, a group is a little different. It's a set of things (we call them elements) that follow certain rules too, like when we add or multiply them.
Now, when we have a group of things and we want to change them a bit, we can use a function. That function may change the order, flip them, or modify them in some way. And if that function, or transformation, is a good transformation, it means it keeps the rules of the group. It's like playing a game but still following the same rules.
A pro-p group is a special kind of group where all the elements in the group are created by using a certain process, called a pro-p series. Sounds complicated, right? Well, let's break it down.
First, let's imagine we have a bunch of different rules that we follow when we add or multiply elements in a group. A pro-p series is just a fancy list of these rules that we use to create elements in the group. So when we apply these rules to create new elements, we get a pro-p group.
But what's so special about this group? Well, it turns out that pro-p groups have some cool properties that can help us solve math problems. For example, they are closely related to the theory of modular arithmetic, which is used in cryptography and coding theory.
So, to sum it all up, a pro-p group is a special group that is created using a certain list of rules, and it has some interesting properties that can help us solve problems. Cool, right?