https://jsdurand.xyz/atom.xmlMath articles of JSDurandJSDurand https://jsdurand.xyz mmemmew@gmail.comCopyright (c) 2021, JSDurand2022-12-31T12:22:38+08:00EmacsReversing orders does not change (non-zero) eigen-spaces2022-12-31T12:22:34+08:00https://jsdurand.xyz/reversing-orders-does-not-change-non-zero-eigen-spaces.html2022-12-30T13:00:00+08:00
This is a proof I found when testing one of the examination questions
for a course that I serve as a teaching assistant.
Finite unions of subspaces2022-12-31T12:22:34+08:00https://jsdurand.xyz/unions-of-subspaces.html2021-12-06T23:00:00+08:00
This post collects some proofs of the following statement.
The union of passing irred. components minus others is open2022-12-31T12:22:34+08:00https://jsdurand.xyz/union-of-irred-components-open.html2019-11-19T00:44:00+08:00
This is a simple proof that I think is quite interesting to share.