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Top / Science / Math / Recreations / Polyominoes /

Golygons by Mathworld What they are, and how to find them. http://mathworld.wolfram.com/Golygon.html Wolfram.com  ~   Site Info   Whois   Trace Route   RBL Check   Polyform and Dissection Puzzle Links Christian Eggermont's link page. http://web.inter.nl.net/users/C.Eggermont/Links.new/Puzzles/Polyforms.and.dissection/index.noframe.shtml Nl.net  ~   Site Info   Whois   Trace Route   RBL Check   Polyforms Ed Pegg Jr.'s site has pages on tiling, packing, and related problems involving polyominos, polyiamonds, polyspheres, and related shapes. http://www.mathpuzzle.com/polyom.htm Mathpuzzle.com  ~   Site Info   Whois   Trace Route   RBL Check   Polyform Spirals Jorge Luis Mireles explains finite and infinite spirals made up of polyforms. http://www.geocities.com/jorgeluismireles/spirals/ Geocities.com  ~   Site Info   Whois   Trace Route   RBL Check   Polyiamond Exclusion Colonel Sicherman asks what fraction of the triangles need to be removed from a regular triangular tiling of the plane, in order to make sure that the remaining triangles contain no copy of a given polyiamond. http://www.monmouth.com/~colonel/xpoly/xpoly.html Monmouth.com  ~   Site Info   Whois   Trace Route   RBL Check   Polyiamonds Mathforum. This Geometry problem of the week asks whether a six-point star can be dissected to form eight distinct hexiamonds. http://mathforum.org/pow/solutio4.html Mathforum.org  ~   Site Info   Whois   Trace Route   RBL Check   Unfolding the Tesseract Peter Turney lists the 261 polycubes that can be folded in four dimensions to form the surface of a hypercube, and provides animations of the unfolding process. http://www.apperceptual.com/tesseract.html Apperceptual.com  ~   Site Info   Whois   Trace Route   RBL Check   Unbeatable Tetris Java applet demonstres that this tetromino-packing game is a forced win for the side dealing the tetrominoes. Complete with mathematical proof. [Java] http://www.geom.uiuc.edu/java/tetris/ Uiuc.edu  ~   Site Info   Whois   Trace Route   RBL Check   Unbalanced Anisohedral Tiling Joseph Myers and John Berglund found a polyhex that must be placed in two different ways in a tiling of a plane, such that one placement occurs twice as often as the other. http://www.angelfire.com/mn3/anisohedral/unbalanced.html Angelfire.com  ~   Site Info   Whois   Trace Route   RBL Check   Anna's Pentomino Page Anna Gardberg makes pentominoes out of sculpey and agate. http://www.geom.uiuc.edu/~summer95/gardberg/pent.html Uiuc.edu  ~   Site Info   Whois   Trace Route   RBL Check