https://www.frontiersin.org/journals/applied-mathematics-and-statistics/articles/10.3389/fams.2024.1397374/full
Frontiers | Darboux transformation of symmetric Jacobi matrices and Toda lattices
Let J be a symmetric Jacobi matrix associated with some Toda lattice. We find conditions for Jacobi matrix J to admit factorization J = LU (or J = UL) with L...
darboux transformationjacobi matricesfrontierssymmetrictoda