The complexity of minimizing wire lengths in VLSI layouts
Information Processing Letters
The realization problem for Euclidean minimum spanning trees is NP-hard
SCG '94 Proceedings of the tenth annual symposium on Computational geometry
The logic engine and the realization problem for nearest neighbor graphs
Theoretical Computer Science - Special issue on theoretical computer science in Australia and New Zealand
A Survey of Combinatorial Gray Codes
SIAM Review
Computers and Intractability: A Guide to the Theory of NP-Completeness
Computers and Intractability: A Guide to the Theory of NP-Completeness
The Strength of Weak Proximity
GD '95 Proceedings of the Symposium on Graph Drawing
The Wobbly Logic Engine: Proving Hardness of Non-rigid Geometric Graph Representation Problems
GD '97 Proceedings of the 5th International Symposium on Graph Drawing
The three dimensional logic engine
GD'04 Proceedings of the 12th international conference on Graph Drawing
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The Logic Engine is an artificial, physical construct that can encode instances of the NAE3SAT problem, a variation of satisfiability. It thus provides an intuitive way of visualizing these normally abstract problems. We introduce a visualisation of the logic engine that is customisable and freely available. Our implementation is available on the web from http://www.it.usyd.edu.au/~carsten/LogicEngine/