ELI5: Explain Like I'm 5

Symplectic form

Okay kiddo, let me explain what a symplectic form is. Imagine you have a big, fancy puzzle with lots of pieces that fit together perfectly. Now, the pieces in this puzzle represent points in something called a "phase space," which is just a fancy way of saying a space that keeps track of all the possible positions and speeds an object could have at a certain time.

Now, the symplectic form is like a special tool that we use to make this puzzle work. It's like a glue that holds everything together, and it makes sure that all the pieces fit perfectly with each other.

But what does it look like? Well, it's kind of like a special formula that tells us how to work with the puzzle pieces. It's made up of a bunch of numbers and symbols, and it helps us figure out things like how two puzzle pieces move together or how to calculate the energy of a moving object.

So essentially, a symplectic form is a way of keeping track of how things move and work together in a phase space. It's like the rules of the game that we use to play with the puzzle pieces, and it's a really important concept in physics and mathematics.