Philip Maymin, "Markets are efficient if and only if P=NP"
https://arxiv.org/abs/1002.2284
this seems like it's a hell of a paper
@KitRedgrave I mean, according to all the Very Serious People[tm] the Market[tm] is the optimal method for solving _all_ problems, so surely a bit of math would be trivial for the Market[tm] (as long as we eliminate capital-gains taxation)