Mittagsseminar (in cooperation with J. Lengler, A. Steger, and D. Steurer)

Date and Time: Tuesday, April 08, 2025, 12:15 pm

Duration: 30 minutes

Location: CAB G51

Speaker: Philip Whittington

Time-Optimal k-Server

A set of servers is positioned in a metric space. One by one, points in the metric space are requested. For each request, one of the servers needs to move to this point to serve the request, paying a cost for the distance travelled. How can we efficiently move the servers without knowing the future requests? This is the k-Server problem, a fundamental problem in the field of Online Algorithms. In this talk, I will present the historical and ongoing research on this problem, and introduce a new variant in which servers are allowed to move in parallel without incurring additional cost.

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