Operators and Matrices · Volume 15, Issue 3 Spectra of infinite graphs: two methods of computation 15-63 Pages 985-1030 DOI 10.7153/oam-2021-15-63 Downloads Short PDF Full PDF PNG Authors L. Golinskii Keywords adjacency operator Jacobi matrices of finite rank Jost function block matrix right limit Schur complement Subject classes 05C63 05C76 47B36 47A10 47B15