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Efficient Computation Methods for the Kleene Star in Max-Plus Linear Systems

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2 Author(s)
Goto, H. ; Dept. of Manage. & Inf. Syst. Sci., Nagaoka Univ. of Technol., Nagaoka, Japan ; Kasahara, M.

This research proposes efficient calculation methods for the transition matrices in discrete event systems, where the adjacency matrices are represented by directed acyclic graphs. The essence of the research focuses on obtaining the Kleene Star of an adjacency matrix. Previous studies have proposed methods for calculating the longest paths focusing on destination nodes. However, in these methods the chosen algorithm depends on whether the adjacency matrix is sparse or dense. In contrast, this research calculates the longest paths focusing on source nodes. The proposed methods are more efficient than the previous ones, and are attractive in that the efficiency is not affected by the density of the adjacency matrix.

Published in:

Intelligent Systems Design and Applications, 2009. ISDA '09. Ninth International Conference on

Date of Conference:

Nov. 30 2009-Dec. 2 2009