Randomized Lower Bounds for Online Path Coloring
RANDOM '98 Proceedings of the Second International Workshop on Randomization and Approximation Techniques in Computer Science
Cell association and interference coordination in heterogeneous LTE-A cellular networks
IEEE Journal on Selected Areas in Communications - Special issue on cooperative communications in MIMO cellular networks
A tight bound for online coloring of disk graphs
SIROCCO'05 Proceedings of the 12th international conference on Structural Information and Communication Complexity
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It is shown that randomization helps in coloring graphs online, and a simple randomized online algorithm is presented. For 3-colorable graphs the expected number of colors the algorithm uses is O((n log n)/sup 1/2/). The algorithm runs in polynomial time and compares well with the best known polynomial-time offline algorithms. A lower bound is proved for the randomized algorithm.