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Tutte seminar - Peter WinklerExport this event to calendar

Friday, June 26, 2009 — 3:30 PM to 4:30 PM EDT

Scheduling, Percolation, and the Worm Order

Speaker: Peter Winkler
Affiliation: Dartmouth College
Room: Mathematics & Computer Building (MC) 5158

Abstract:

We show that in any submodular system there is a maximal chain that is minimal, in a very strong sense, among all paths from 0 to 1. The consequence is a set of general conditions under which parallel scheduling can be done without backward steps. Among the applications are a fast algorithm for scheduling multiple processes without overusing a resource; a theorem about searching for a lost child in a forest; and a closed-form expression for the probability of escaping from the origin in a form of coordinate percolation.

Joint work in part with Graham Brightwell (London School of Economics) and in part with Lizz Moseman (USMA, West Point NY).

Location 
MC - Mathematics & Computer Building
5158
200 University Avenue West

Waterloo, ON N2L 3G1
Canada

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