criticality

Not the keyword you're looking for? See all keywords.

Markets as Reflexive Fixed Points Markets as Reflexive Fixed Points
32 min read Keywords:  markets, reflexivity, criticality, power laws, ergodicity, Soros, Mantegna, Stanley, Kelly

Markets are more than noisy aggregators of information: beliefs about prices help determine prices, which makes reflexivity a fixed-point problem with fat tails, non-ergodicity, and hysteresis.

Life as a Double Fixed Point Life as a Double Fixed Point
22 min read Keywords:  biology, criticality, homeostasis, Waddington, Kauffman, DNA, self-reproduction, attractors

Living systems are not fixed points in the naive sense but robust attractors and self-reproducing machines, whose encoded description takes part in their own continuation.