We propose a new class of algorithms for linear cost network flow problems with and without gains. These algorithms are based on iterative improvement of a dual cost and operate in a manner that is ...

This is a preview. Log in through your library . Abstract We exhibit natural classes of Polish topological groups G such that every continuous action of G on a compact space has a fixed point, and ...

Current chemotherapeutic regimens achieve CR in a large percentage of patients with AML. However, relapse after CR remains a significant problem. The presence of leukemic cells at levels too low to be ...

Three weeks ago, January 2002 was the worst January in a decade in terms of equity fund flows. A few days later, January 2002 was a great, $20 billion month. Mutual fund data provider Lipper had ...

Of the nearly 250,000 oil and gas flow lines tested throughout Colorado since a massive home explosion in Firestone in April, many of Weld’s oil and gas operators are reporting few lines failed.