Operators and Matrices · Volume 14, Issue 2 Eigenvalues of discrete Sturm-Liouville problems with sign-changing weight and coupled boundary conditions 14-35 Pages 491-513 DOI 10.7153/oam-2020-14-35 Downloads Short PDF Full PDF PNG Authors Chenghua Gao Fei Zhang Maojun Ran Keywords second-order linear difference operator sign-changing weight coupled boundary conditions eigenvalue interlacing Subject classes 39A21 39A70 47A75