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  • 學位論文

具時間限制的廣播中心問題

Broadcast Centers in Trees with Time Constraints

指導教授 : 陳健輝
共同指導教授 : 林清池(Ching-Chi Lin)
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摘要


本論文提出一 O(n) 時間複雜度的演算法來解決樹狀結構上的廣播中心點問題,使廣播中心點的數量最少。廣播按照異質郵寄模型的規則進行,需在時間限制內完成。

並列摘要


In this thesis, we present a O(n)-time exact algorithm to find a broadcast strategy such that broadcasting can be completed within the time constraint and the number of centers is minimal. The given graph is a tree and broadcasting is under the heterogeneous postal model.

參考文獻


[1] A. Bar-Noy, S. Guha, J. Naor, and B. Schieber, “Message multicasting in heterogeneous networks,” SIAM Journal on Computing, vol.
[3] A. Bar-Noy and S. Kipnis, “Multiple message broadcasting in the
[4] J.-m. Koh and D.-w. Tcha, “Information dissemination in trees with
nonuniform edge transmission times,” IEEE Transactions on Computers, vol. 40, no. 10, pp. 1174–1177, 1991.
[6] R. Ravi, “Rapid rumor ramification: approximating the minimum broadcast time,” in Proceedings of the 35th IEEE Symposium on Foundations of Computer Science, 1994, pp. 202–213.

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