Eigenvalues

Sturm-Liouville Problems: Theory and Numerical Implementation

Ronald B. Guenther, Lee, John W.

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

Leonid Bunimovich, Benjamin Webb

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

Eigenvalues of inhomogeneous structures: unusual closed-form solutions

Isaac Elishakoff.

Boundary and eigenvalue problems in mathematical physics

by Hans Sagan.

Graph Energy

by Xueliang Li, Yongtang Shi, Ivan Gutman

Stability and Stabilization of Time-Delay Systems (Advances in Design & Control) (Advances in Design and Control)

W. Michiels, Wim Michiels, Silviu-Iulian Niculescu

Eigenvalues, Embeddings and Generalised Trigonometric Functions

by Jan Lang, David Edmunds