| Polyominoes Describes a numerical invariant that can be used to classify polyominoes. |
| Polyominoes Introduction to Tetrominoes, Pentominoes, Hexominoes, Heptominoes, Octominoes, Fixed (translation only) Polyominoes. Numerous Links. |
| Polyominoes__Theme_and_Variations Jankok presents information about filling rectangles, other polygons, boxes, etc., with dominoes, trominoes, tetrominoes, pentominoes, solid pentominoes, hexiamonds, and whatever else people have inve |
| Polyominoids Jorge Luis Mireles Jasso presents connected sets of squares in a 3d cubical lattice. Includes a Java applet as well as non-animated description. |
| Polypolygon_Tilings S. Dutch discusses polyominoes, poliamonds, and polypolygons with special attention to tiling characteristics. |
| Primes_of_a_14-omino Michael Reid shows that a 3x6 rectangle with a 2x2 bite removed can tile a (much larger) rectangle. It is open whether it can do this using an odd number of copies. |
| Puzzle_Fun Newsletter edited by Rodolfo Kurchan about pentominoes and other math problems. |
| Random_Domino_Tiling_of_an_Aztec_Diamond Matthew Blum's undergraduate project demonstrates the properties of random domino tiling of an Aztec diamond. Interactive graphics display included. |
| Rectifiable_Polyomino Karl Dahlke explains and demonstrates tiling. Includes C-program source. |
| Schröder_Triangles,_Paths,_and_Parallelogram_Polyominoes A paper on their enumeration by Elisa Pergola and Robert A. Sulanke. |
| Six_Squares_Problem This Geometry Forum problem of the week asks for the number of different hexominoes, and for how many of them can be folded into a cube. |
| Solomon_W__Golomb Home Page of the inventor of polyominoes. Includes biography, black and white picture, research interests and publications list. |
| The_Soma_Cube Soma-solving program in QBASIC by Courtney McFarren. |
| Soma_Cube_Applet Mehta & Ward Alberg explains the soma cube and provides an applet for practice. Source codes included. [Java] |
| Somatic A solver for arbitrary polyomino and polycube puzzles. Binary code and source downloads available. |
| Sqfig_and_Sqtile Eric Laroche presents computer programs for generating polyominoes and polyomino tilings. Includes source codes in C, and binaries. |
| Square_into_Similar_Triangles T.Sillke discusses the dissection problem. |
| Taniguchi\'s_Programs Windows software to solve polyiamond and sliding block puzzles. |
| Tesselating_Locking_Polyominos Bob Newman examines the history of the subject and presents his minimal solutions. |
| Thorleif\'s_SOMA_Page SOMA puzzle site with graphics, newsletter and software. |
| The_Three_Dimensional_Polyominoes_of_Minimal_Area L. Alonso and R. Cert's abstract of a paper published in vol. 3 of the Elect. J. Combinatorics. Full paper available in different formats (.pdf, postscript, tex etc). |
| Three_Nice_Pentomino_Coloring_Problems Alexandre Owen Muñiz presents the Icehouse set which lends itself to different polyomino coloring games. |
| Tiling_a_Square_With_Eight_Congruent_Polyominoes Michael Reid's abstract of a paper in the "Journal of Combinatorial Theory, Series A". |
| Tiling_and_Packing_Results_of_Torsten_Sillke Polyominoes, polycubes and polyspheres. |
| Tiling_of_Pythagorean_Triplets Joe Fields suggests that L-decomposition of squares of Pythagorean triplets could always be tiled. |
| The_Tiling_Puzzle_Games_of_OOG Mr. Confetti presents a Windows and Java game for tangrams, polyominoes, and polyhexes. |
| Tiling_Rectangles_and_Half_Strips_with_Congruent_Polyominoes Michael Reid's abstract of paper in the "Journal of Combinatorial Theory, Series A". |
| Tiling_Stuff Jonathan King examines problems of determining whether a given rectangular brick can be tiled by certain smaller bricks. Includes numerous articles in .pdf format. |
| Tiling_with_Notched_Cubes Robert Hochberg and Michael Reid exhibit an unboxable reptile: a polycube that can tile a larger copy of itself, but can't tile any rectangular block. Abstract of article to "Discrete Mathematics". |
| 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. |
| 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] |
| 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. |
| What_is_a_Golygon? Harry Smith describes Dr. Dewdney's article in the July 1990 Scientific American's Mathematical Recreations column. |
| Xominoes Livio Zucca finds a set of markings for the edges of a square that lead to exactly 100 possible tiles, and asks how to fit them into a 10x10 grid. |
| All_Girls_All_Math Annual Mathematics Summer Camp for High School Girls at the University of Nebraska Lincoln NE, USA. Eighth session: 18--24 July 2004. |
| California_State_Summer_School_for_Mathematics_and_Science_(COSMOS) An academic four-week residential program for talented and motivated students who are completing grades 8-12. |
| Canada_/_USA_Mathcamp A summer camp for mathematically talented and mathematically gifted high school students from around the world. It includes advanced mathematical topics not normally covered in high schools. |
| HCSSiM Hampshire College Summer Studies in Mathematics for mathematically talented high school students. 2004 session: 4 July -- 14 August. |
| Heriot-Watt/Edinburgh_Maths_Masterclass Masterclasses for the brightest mathematics school students in Lothian Region. The pupils, aged about 13, spend 2 1/2 hrs each Saturday studying recent developments in Mathematics. |
| Hudson_River_Undergraduate_Mathematics_Conference A one-day mathematics conference held annually each Spring semester at rotating institutions, and attended by students and faculty from universities and colleges in New York and New England. |
| MathCamp A classroom-focused mathematics resource for teachers on the elementary, middle and high school levels. |
| Mathematics_Advanced_Study_Semester_(MASS) A comprehensive, semester-long mathematical environment for a group of talented undergraduate students recruited from throughout the United States, held at Penn State. |
| Mathematics_Enrichment_Programme Centre for Teaching Mathematics, University of Plymouth. Extra-curricular activities for young people from primary through to VIth form who are able or interested in mathematics and its applications. |
| Maths_Inspiration Events aimed at motivating UK pupils at year 11 and above to pursue mathematics and other critical thinking subjects to a higher level at school and beyond. |
| Mathworks Texas State University - San Marcos: teacher programs, summer camps and mentoring. |
| Oakland_University_Summer_Mathematics_Institute Rochester, MI, USA. |
| PROMYS The Program in Mathematics for Young Scientists: a six-week summer program at Boston University. |
| The_Ross_Program An intensive course in mathematics at the Ohio State University for pre-college students. |
| Royal_Institution_Mathematics_Masterclasses The Royal Institution holds Mathematics Masterclasses in the Autumn and Spring terms of each year. Dates and links to local organisers. |
| Royal_Institution_Mathematics_Masterclasses_-_Staffordshire Organised by Keele University. |
| SIMUW Summer Institute for Mathematics at the University of Washington. SIMUW 2005: 26 June -- 6 August 2005. |
| Stanford_University_Mathematics_Camp_(SUMaC) Brings mathematically talented and motivated high-school students from around the world to Stanford University for four weeks of serious mathematical pursuits. 2004 session: 18 July -- 14 August. |
| Summer_Program_for_Women_in_Mathematics A five-week intensive program for mathematically talented undergraduate women who are completing their junior year and may be contemplating graduate study in the mathematical sciences. George Washing |
| Summer_Programs_for_High_School_Students A list of programs which help high school students explore the world of mathematics research, compiled by the AMS. |
| SummerMath A four-week program for young women entering ninth through twelfth grades. Mount Holyoke College, MA, USA. 2004 session: 27 June -- 24 July. |
| TeachMap_Workshops COMAP workshops that focus on using open-ended, authentic applications to teach a variety of mathematics topics. |
| Young_Scholars_Program_in_Discrete_Mathematics Annual four-week academic program introducing talented and highly motivated high school students to discrete mathematics. DIMACS, Rutgers, New Jersey, USA. 2004 session: 5--30 July. |
| Archives_of_ISOGEOCHEM Searchable archives of the e-mail group for stable isotope geochemistry. |
| Biogeosciences Information, discussion, and resources to help fulfill the scientific need to bridge the earth and life sciences. |
| Fluid_Inclusions Primarily a directory to fluid inclusion-related resources. Links are provided for old and upcoming meetings and short courses, a few organizations, and some archived forums on research issues. |
| The_Geochemistry_Portal Organized collection of links, including news, organizations, universities, laboratories, publications, and databases. Has search and ability to submit links for inclusion. |
| Geotech_org_-_Geology_and_Geochemistry Educational site for those interested in learning about surface exploration techniques used for oil and gas. Includes images, analogs, bibliographies, and services. |
| ISOGEOCHEM Information about the e-mail discussion list for stable isotope geochemistry. Includes many isotope-related links including available positions, research laboratories, short course and workshop listi |
| Martian_Geochemistry Summarizes the geochemical results obtained by NASA's Mars Pathfinder mission. Includes plots of geochemical trends, and comparisons with earlier Viking mission data as well as with Earth geochemistr |
| Stable_Isotopes_and_Mineral_Resource_Investigations An information hand-out from the US Geological Survey, introducing the topic of stable isotopes and providing some examples of their use in determining the origins of mineral deposits in the United St |
| American_Name_Society Promote onomastics, the study of names and naming practices, both in the United States and abroad. Seeks to find out what really is in a name, and to investigate cultural insights, settlement history, |
