Paper
On a problem of Zaks
Alan J. Hoffman
J. Comb. Theory Ser. A
It is shown that, for linear dc networks, in which certain resistors and controlled sources are allowed to vary, the “worst case” occurs when all parameter variations assume extreme values. © 1977, IEEE. All rights reserved.
Alan J. Hoffman
J. Comb. Theory Ser. A
Alan J. Hoffman
Linear Algebra and Its Applications
Alan J. Hoffman, Chai Wah Wu
Linear Algebra and Its Applications
Ulrich Faigle, Alan J. Hoffman, et al.
SIAM Journal on Discrete Mathematics