creators_name: Kitching, Matthew creators_name: Whitesides, Sue editors_name: Pach, János editors_id: Pach, János type: confpaper datestamp: 2005-07-21 lastmod: 2008-09-18 11:08:55 metadata_visibility: show title: The Three Dimensional Logic Engine ispublished: pub subjects: Z.250 full_text_status: none abstract: We consider the following graph embedding question: given a graph G, is it possible to map its vertices to points in 3D such that G is isomorphic to the mutual nearest neighbor graph of the set P of points to which the vertices are mapped? We show that this problem is NP-hard. We do this by extending the "logic engine" method to three dimensions by using building blocks inpired by the structure of diamond and by constructions of A.G. Bell and B. Fuller. date: 2004 date_type: published publisher: Springer pagerange: 329-339 refereed: FALSE referencetext: 1. A. G. Bell, "Tetrahedral principle in kite structure", National Geographic Magazine, 14(6), June 1903, pp. 219-251. 2. R. Buckminster Fuller. Inventions, the Patented Works of R. Buckminster Fuller. St. Martin's Press, 1983. 3. P. Bose, W. Lenhart, and G. Liotta, "Characterizing proximity trees", Algorithmica, 16, 1996, pp. 83-110, 1996. 4. F. J. Brandenburg, D. Eppstein, M. T. Goodrich, S. G. Kobourov, G. Liotta, and P. Mutzel, "Selected open problems in graph drawing", Proc. 11th Int. Symp. Graph Drawing, 2003, Springer-Verlag LNCS vol. 2912, pp. 515-539. 5. G. Di Battista, P. Eades, R. Tamassia, I. G. Tollis. Graph Drawing. Prentice Hall, 1999, Chapter 11.2. 6. M. B. Dillencourt, "Realizability of Delaunay triangulations", Informa. Process. Lett., 33(6), Feb. 1990, pp.283-287. 7. M. B. Dillencourt and W. D. Smith, "Graph-theoretical conditions for inscribability and Delaunay realizability", Proc. 6th Canad. Conf. Comput. Geom., 1994, pp. 287-292. 8. P. Eades and S. Whitesides, "The logic engine and the realization problem for nearest neighbour graphs", Theoretical Computer Science, 169, 1996, pp. 23-37. 9. P. Eades and S. Whitesides, "The realization problem for Euclidean minimum spanning trees is NP-hard", Algorithmica, 16, 1996, pp. 60-82. 10. M. Garey and D. Johnson. Computers and Intractability:a Guide to the Theory of NP-Completeness. W.H. Freeman, 1979. 11. J. W. Jaromczyk and G. T. Toussaint, "Relative neighborhood graphs and their relatives", Proc. IEEE, 80(9), 1992, pp. 1502-1517. 12. W. Lenhart and G. Liotta, "The drawability problem for minimum weight triangulations", Theoret. Comp. Sci. vol. 27, 2002, pp. 261-286. 13. G. Liotta and G. Di Battista "Computing proximity drawings of trees in the 3-dimensional space", Proc. 4th Workshop Algorithms and Data Structures WADS 1995, Springer-Verlag LNCS vol. 955, pp. 239-250. 14. G. Liotta, A. Lubiw, H. Meijer, and S. H. Whitesides, "The rectangle of influence drawability problem", Comput. Geom. Theory Appl., 10(1):1-22, 1998. 15. G. Liotta and H. Meijer, "Drawing of trees", Computational Geometry: Theory and Applications, 24(3), 2003, pp. 147-178. 16. G. Toussaint, "A graph-theoretical primal sketch", in Computational Morphology. North-Holland, 1988, pp. 229-260. citation: Kitching, Matthew and Whitesides, Sue (2004) The Three Dimensional Logic Engine. [Conference Paper]