ELI5: Explain Like I'm 5

Pfaffian constraint

A pfaffian constraint is like a special rule that helps us understand some things about how different things are connected. It's kind of like when we learn that 2 + 2 = 4 and we use that rule to help us solve bigger math problems.

In math, a pfaffian constraint is a rule that shows how certain mathematical objects are related to each other. This rule is based on something called a "pfaffian form," which is a special kind of mathematical equation that tells us how different things are connected.

Think of it like a puzzle. The puzzle pieces represent different mathematical objects, and the pfaffian constraint helps us figure out how they fit together.

So why do we use pfaffian constraints? Well, they're really helpful when we're trying to solve complicated math problems. Just like how we use 2 + 2 = 4 to help us solve harder math problems, we can use pfaffian constraints to help us figure out how different things in math fit together.

Overall, a pfaffian constraint is a way to help us understand how different mathematical objects are connected, using a special rule based on a pfaffian form. It's kind of like a puzzle, where we use the rule to see how different pieces fit together.