...Network
This research was conducted while the first and third authors were affiliated with the Laboratory for Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139. It was supported in part by the Defense Advanced Research Projects Agency under Contracts N00014-87-K-825 and N00014-89-J-1988, the Air Force under Contract AFOSR-89-0271, and the Army under Contract DAAL-03-86-K-0171. A preliminary version of this paper appeared in the Proceedings of the 22nd Annual ACM Symposium on Theory of Computing, pages 149-158, May 1990.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
...Arora
Department of Computer Science, Princeton University, Princeton, NJ 08544. (arora@cs.princeton.edu).
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
...Leighton
Mathematics Department and Laboratory for Computer Science, Massachusetts Institute of Technology,Cambrige, MA 02139. (ftl@math.mit.edu).
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
...Maggs
School of Computer Science, Carnegie Mellon University, Pittsburgh, PA 15213. (bmm@cs.cmu.edu).
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
...edges
Throughout this paper 10#10 denotes 11#11.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.

Bruce Maggs
Mon Jul 22 21:19:59 EDT 1996