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Formulation of Mobile Agent Allocation and Its Strong NP-Completeness Atsushi SASAKI Tadashi ARARAGI Shigeru MASUYAMA Keizo MIYATA Publication IEICE TRANSACTIONS on Information and Systems Vol.E88-D No.5 pp.1060-1063 Publication Date: 2005/05/01 Online ISSN: DOI: 10.1093/ietisy/e88-d.5.1060 Print ISSN: 0916-8532 Type of Manuscript: LETTER Category: Complexity Theory Keyword: strong NP-completeness, mobile agents, communication cost, subgraph isomorphism, load balancing, Full Text: PDF(123KB)>>
Summary: We formally define the mobile agent allocation problem from a system-wide viewpoint and then prove that it is strongly NP-complete even if each agent communicates only with two agents. This is the first formal definition for scheduling mobile agents from the viewpoint of load balancing, which enables us to discuss its properties on a rigorous basis. The problem is recognized as preemptive scheduling with independent tasks that require mutual communication. The result implies that almost all subproblems of mobile agent allocation, which require mutual communication of agents, are strongly NP-complete. | ||||||||||
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