Abstract
We give a new approximation polynomial time algorithm for one of the intractable problem of finding given-diameter Minimum Spanning Tree (MST) on n-vertex complete graph with randomly weighted edges. A significant advantage of this algorithm is that it turned out to be well suited for finding several edge-disjoint MST of a given diameter. A probabilistic analysis was performed under conditions that edge weights of given graph are identically independent uniformly distributed random variables on an segment \([a_n; b_n]\), \(a_n>0\). Sufficient conditions of asymptotic optimality are presented. It is also noteworthy that the new algorithmic approach to solve the problem of finding a given-diameter MST both on directed and undirected graphs.
Supported by the program of fundamental scientific researches of the SB RAS No. I.5.1., project No. 0314-2019-0014, and by the Russian Foundation for Basic Research, project No. 20-31-90091.
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Gimadi, E.K., Shevyakov, A.S., Shtepa, A.A. (2020). A Given Diameter MST on a Random Graph. In: Olenev, N., Evtushenko, Y., Khachay, M., Malkova, V. (eds) Optimization and Applications. OPTIMA 2020. Lecture Notes in Computer Science(), vol 12422. Springer, Cham. https://doi.org/10.1007/978-3-030-62867-3_9
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