Archive of posts on Feb 3, 2023

• Feb 3, 2023

  手纸本

  何为手纸本?

  /literature #from zhihu #literary composition #short story #chinese
• Feb 3, 2023

  Introducing bra–ket notation to math learners

  Bra–ket notation is a good-looking notation! I am sad that it is not generally taught in math courses. Let me introduce it to you.

  /math #from zhihu #quantum mechanics