Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

A good trick question is to ask them about the trace of noncommuting operators, if you have finite dimensions -

https://physics.stackexchange.com/questions/10230/trace-of-a...



Consider applying for YC's Fall 2026 batch! Applications are open till July 27.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: