Post List

27k words 25 mins.

The quantum operations formalism is a general tool for describing the evolution of quantum systems in a wide variety of circumstances, including stochastic changes to quantum states, much as Markov processes describe stochastic changes to classical states.

66k words 1:01

It is the identity induction shows that the space of path starts at a fixed point is contractible

3.7k words 3 mins.

人们常说,夜晚的星斗是天堂里幸福的象征;你的眼睛照彻我的心灵。