Eigenvalues

Sturm-Liouville Problems: Theory and Numerical Implementation

Ronald B. Guenther, Lee, John W.

Spectral graph theory

Fan R.K. Chung.

Multiparameter eigenvalue problems: Sturm-Liouville theory

F.V. Atkinson, Angelo B. Mingarelli

George Pólya: Collected Papers: Vol. 3. Analysis

George Pólya

Isospectral Transformations: A New Approach to Analyzing Multidimensional Systems and Networks

Leonid Bunimovich, Benjamin Webb

Eigenvalues of inhomogeneous structures: unusual closed-form solutions

Isaac Elishakoff.

Boundary and eigenvalue problems in mathematical physics

by Hans Sagan.

Eigenvalue and Eigenvector Problems in Applied Mechanics

Andreas Öchsner, Marin Marin, Sorin Vlase

Graph Energy

by Xueliang Li, Yongtang Shi, Ivan Gutman

Fundamentals of Matrix Analysis with Applications

Arthur David Snider, Edward Barry Saff