PaperInequalities of Rayleigh quotients and bounds on the spectral radius of nonnegative symmetric matricesDon Coppersmith, Alan J. Hoffman, et al.Linear Algebra and Its Applications
PaperGeršgorin variations IV: A left eigenvector approachAlan J. Hoffman, Chai Wah WuLinear Algebra and Its Applications
PaperOn the cone of nonnegative circuitsAlan J. Hoffman, Carl W. LeeDiscrete and Computational Geometry