Zulip Chat Archive

Stream: maths

Topic: eigenvectors from eigenvalues

Kenny Lau (Nov 16 2019 at 08:09):

Paper: Eigenvectors from Eigenvalues, *Peter B. Denton, Stephen J. Parke, Terence Tao, Xining Zhang* (Submitted on 10 Aug 2019)
Abstract: We present a new method of succinctly determining eigenvectors from eigenvalues. Specifically, we relate the norm squared of the elements of eigenvectors to the eigenvalues and the submatrix eigenvalues.
Article: Neutrinos Lead to Unexpected Discovery in Basic Math, Quanta magazine

Kenny Lau (Nov 16 2019 at 08:10):

@Kevin Buzzard have you seen this before?

Kevin Buzzard (Nov 16 2019 at 08:36):

I saw it a few days ago. It has since been established that this result has been discovered several times before.

Kenny Lau (Nov 16 2019 at 09:32):

@Kevin Buzzard but it isn't widespread right

Kevin Buzzard (Nov 16 2019 at 10:06):

What do I know about hermitian matrices?

Last updated: Dec 20 2023 at 11:08 UTC