Fixed Point Theorems

These come up a great dealmost commonly on LessWrong in work around Embedded Agency research.research, as well as in discussion of game theory.

Fixed Point Theorems are very general theorems in mathematics that show for a given function f and input x that f(x)=x. We say that the input x is a fixed point for the function f.

These come up a great deal in work around Embedded Agency research.