TIMS President-Elect Arthur Geoffrion sent in a bundle of update material on the article he coauthored in the January 1974 issue of Management Science. As the Hollywood promoters might say, this is a story so big it takes two issues to hold it. Therefore, this edition of Update covers a public...

A commonly occurring problem in distribution system design is the optimal location of intermediate distribution facilities between plants and customers. A multi-commodity capacitated single-period version of this problem is formulated as a mixed integer linear program. A solution technique based...

The paper presents a new approach to solving a class of combinatorial economic allocation problems. One member of this class is known as the quadratic assignment problem. Besides presenting an algorithm to solve this problem, we will discuss in general terms the techniques for treating...