ELI5: Explain Like I'm 5

Williamson conjecture

Alright buddy, have you ever played a game of hide-and-seek with your friends? Imagine you are playing with some of your friends and you are the seeker - your job is to find your friends who are hiding. But your friends are tricky and they have hidden in a big maze with lots of turns and twists. How do you find them?

Now, let's talk about the Williamson Conjecture. It's like the hide-and-seek game, but instead of people hiding in a maze, we have something called matrices trying to hide. Matrices are like boxes with numbers inside them.

Scientists like to study what happens when we add, subtract or multiply these boxes with numbers. Now, there's this really tricky kind of matrix called a "positive-definite matrix". It's like a box of numbers that is extra special.

The Williamson Conjecture is about finding a special way to break up these positive-definite matrices into smaller parts, like how you might divide up a pizza to share with your friends, but you have to make sure that everyone gets equal size slices. Scientists want to find out if it's possible to divide up these matrices in a special way so that each slice is also a positive-definite matrix.

Just like playing hide-and-seek, scientists have been chasing this idea for a long time, but they haven't found a way to prove that it's true yet. That's why it's called a conjecture, which is just a fancy way of saying "a really good guess."

So, we keep searching for new ideas and exploring the hints that come up, like how you might look for clues to catch your friends who are hiding in that big maze. Maybe one day we will find out if the Williamson Conjecture is true or not, but for now, it's still a really tricky puzzle that scientists are trying to solve.