The Primal-Dual approach for Online Algorithms

author: Nikhil Bansal, Department of Mathematics and Computer Science, Eindhoven University of Technology
published: Oct. 2, 2012,   recorded: September 2012,   views: 5203


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Online algorithms deal with settings where the input data arrives over time and the current decision must be made by the algo- rithm without the knowledge of future input. In the last few years, the online primal-dual approach, pioneered by Buchbinder and Naor, has emerged as a very powerful and general method to systematically design and analyze online algorithms.

In this talk, I will give an overview of the method and show how it uni es and simpli es various previous results. I will also describe the recent successes of this approach in addressing some classic problems such as weighted paging and the randomized k-server problem. Finally, we will also see some recent extensions of the method.

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