I bet it was “Eigenvectors from Eigenvalues” * https://www.quantamagazine.org/neutrinos-lead-to-unexpected-discovery-in-basic-math-20191113/ https://www.quanta

I bet it was “Eigenvectors from Eigenvalues” * https://www.quantamagazine.org/neutrinos-lead-to-unexpected-discovery-in-basic-math-20191113/ https://www.quantamagazine.org/neutrinos-lead-to-unexpected-... * https://terrytao.wordpress.com/2019/08/13/eigenvectors-from-eigenvalues/ https://terrytao.wordpress.com/2019/08/13/eigenvectors-from-... * https://arxiv.org/abs/1908.03795 https://arxiv.org/abs/1908.03795