D. De Werra, A.J. Hoffman, et al.
Discrete Applied Mathematics
We characterize (0,1) linear programming matrices for which a greedy algorithm and its dual solve certain covering and packing problems. Special cases are shortest path and minimum spanning tree algorithms. © 1992.
D. De Werra, A.J. Hoffman, et al.
Discrete Applied Mathematics
R.L. Graham, A.J. Hoffman, et al.
Journal of Graph Theory
R.A. Brualdi, A.J. Hoffman
Linear Algebra and Its Applications
A.J. Hoffman, Basharat A. Jamil
Linear and Multilinear Algebra