Writing Buffer

This post is used for storing temporary content, which will be classified later. I don’t want my thought process to be interrupted by format-related issues while composing.

Eigenvalue

另一个介绍ID的思路

battle of sexes

mixed strategy Nash equilibrium甚至比任何一个pure strategy Nash equilibrium还差

可以引入一个trusted authority，扔硬币，这样结果就会好很多

一个角度是：ID可以认为是让trusted authority骗人