covering by squares

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• Covering problem of Rado — The covering problem of Rado is an unsolved problem in geometry concerning covering planar sets by squares. It was formulated in 1928 by Tibor Radó and has been generalized to more general shapes and higher dimensions by Richard Rado. Formulation …   Wikipedia

• Washington Squares — The Washington Squares were a 1980s neo beatnik folk revival music group. Modeled after early 1960s groups like The Kingston Trio and Peter, Paul and Mary, the group was named after New York City s Washington Square Park, emblematic of Greenwich… …   Wikipedia

• Domineering — You may also be searching for Domination. This article is about the partisan game of Domineering. For the impartial version of the game, see Cram (games). Domineering (also called Stop Gate or Crosscram) is a mathematical game played on a sheet… …   Wikipedia

• combinatorics — /keuhm buy neuh tawr iks, tor , kom beuh /, n. (used with singular v.) See combinatorial analysis. * * * Branch of mathematics concerned with the selection, arrangement, and combination of objects chosen from a finite set. The number of possible… …   Universalium

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• dress — /dres/, n., adj., v., dressed or drest, dressing. n. 1. an outer garment for women and girls, consisting of bodice and skirt in one piece. 2. clothing; apparel; garb: The dress of the 18th century was colorful. 3. formal attire. 4. a particular… …   Universalium

• QDGC — Quarter Degree Grid Cells (or QDS Quarter degree Squares) are a way of dividing the longitude latitude degree square cells into smaller squares, forming in effect a system of geocodes. Historically QDGC has been used in a lot of African atlases.… …   Wikipedia

• printmaking — /print may king/, n. the art or technique of making prints, esp. as practiced in engraving, etching, drypoint, woodcut or serigraphy. [1925 30; PRINT + MAKING] * * * Art form consisting of the production of images, usually on paper but… …   Universalium

• Orthogonal group — Group theory Group theory …   Wikipedia

• number game — Introduction       any of various puzzles and games that involve aspects of mathematics.       Mathematical recreations comprise puzzles and games that vary from naive amusements to sophisticated problems, some of which have never been solved.… …   Universalium