Operators and Matrices · Volume 12, Issue 3 Eigenvalue sums of combinatorial magnetic Laplacians on finite graphs 12-54 Pages 893-902 DOI 10.7153/oam-2018-12-54 Downloads Short PDF Full PDF PNG Authors John Dever Keywords magnetic graph Laplacian graph Laplacian eigenvalue inequalities eigenvalue sums adjacency matrix graph spectrum half-band Subject classes 05C50 05C20 05C15 15B57 15A42