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|Ivars Peterson (MathTrek)|
|Erik D. Demaine of the computer science department at the University of Waterloo in Ontario and his coworkers have developed an efficient method for recognizing when a creased sheet is foldable into a flat package (results are reported in an unpublished paper, "When Can You Fold a Map?," at http://xxx.lanl.gov/abs/cs.CG/0011026). Demaine's interest in foldability arose out of his hobby, origami.|
|Levels:||High School (9-12), College|
|Math Topics:||Algorithms, Combinatorics, Computational Geometry, Triangles and Other Polygons|
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