2 problems

For each integer $K\geq1$, let $F_K(t)$ be the $K\times K$ Hermitian matrix-valued Fourier series associated with the block Toeplitz matrices $A(N,K)$, … Let…

Haar-wavelet solvability conjecture. For every $\eta\in(\sqrt2-1,1)$, a resolution $\{N_0,N_1,K\}$ can be found such that this finite system admits a solution of the prescribed Haa…