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

Date and Time: Thursday, October 30, 2003, 12:15 pm

Duration: This information is not available in the database

Location: This information is not available in the database

Speaker: Udo Adamy

On-line Coloring of Intervals with Bandwidths

We consider the problem of on-line interval coloring in the case where the intervals have weights in (0,1] and the total weight of intersecting intervals with the same color must not exceed 1. We present an on-line algorithm for this problem that achieves a constant competitive ratio. Our algorithm is a combination of an optimal on-line algorithm for coloring interval graphs and First-Fit coloring, for which we generalize the analysis of Kierstead to the case of non-unit bandwidth.

(Joint work with Thomas Erlebach)

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