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graph_square_root_problem (239B)

      1 # Graph square root problem
      2 
      3 The [computational_problem], given an [undirected_graph] G, of deciding whether G is the [graph_square] of some graph G'
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      5 It is [NP_hard], cf [motwani1994computing]
      6 
      7 Up: [computational_problem], [graph_square]