2 problems

Let $C_\lambda$ be the matrix whose kernel determines the true eigenvalue set, and suppose … For $i\geq 1$, let $\chi_i^2$ denote a chi-square random variable with $i$ degrees of f…

Let $T$ be the matrix whose Fourier-mode blocks are $T_k=\sigma\tau\tilde{A}_k\tilde{B}_k$, where the commuting tridiagonal matrices $\tilde{A}_k$ and $\tilde{B}_k$ are … with…