In this monograph the author develops the spectral theory for an $n$th order two-point differential operator $L$ in the Hilbert space $L2[0,1]$, where $L$ is de

A $d$-regular graph has largest or first (adjacency matrix) eigenvalue $\lambda_1=d$. Consider for an even $d\ge 4$, a random $d$-regular graph model formed fro

This volume presents current research in functional analysis and its applications to a variety of problems in mathematics and mathematical physics. The book con

Addresses the classical problem of determining finite primitive permutation groups G with a regular subgroup B.

Cartan introduced the method of prolongation which can be applied either to manifolds with distributions (Pfaffian systems) or integral curves to these distribu