PaperThe edge versus path incidence matrix of series-parallel graphs and greedy packingAlan J. Hoffman, Baruch SchieberDiscrete Applied Mathematics
PaperA characterization of nonnegative box-greedy matricesUlrich Faigle, Alan J. Hoffman, et al.SIAM Journal on Discrete Mathematics
PaperMonge and feasibility sequences in general flow problemsIlan Adler, Alan J. Hoffman, et al.Discrete Applied Mathematics
PaperOn the singularity of matricesDon Coppersmith, Alan J. HoffmanLinear Algebra and Its Applications