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  2. Tetractys - Wikipedia

    en.wikipedia.org/wiki/Tetractys

    In English-language poetry, a tetractys is a syllable-counting form with five lines. The first line has one syllable, the second has two syllables, the third line has three syllables, the fourth line has four syllables, and the fifth line has ten syllables. [13] A sample tetractys would look like this: Mantrum Your / fury / confuses / us all ...

  3. Pentagonal number - Wikipedia

    en.wikipedia.org/wiki/Pentagonal_number

    The nth pentagonal number p n is the number of distinct dots in a pattern of dots consisting of the outlines of regular pentagons with sides up to n dots, when the pentagons are overlaid so that they share one vertex. For instance, the third one is formed from outlines comprising 1, 5 and 10 dots, but the 1, and 3 of the 5, coincide with 3 of ...

  4. Cairo pentagonal tiling - Wikipedia

    en.wikipedia.org/wiki/Cairo_pentagonal_tiling

    In its hydrogenated form, penta-graphane, all bonds are single bonds and the carbon atoms at the degree-three vertices of the structure have a fourth bond connecting them to hydrogen atoms. [26] The Cairo tiling has been described as one of M. C. Escher's "favorite geometric patterns". [7]

  5. Tessellation - Wikipedia

    en.wikipedia.org/wiki/Tessellation

    A tiling that lacks a repeating pattern is called "non-periodic". An aperiodic tiling uses a small set of tile shapes that cannot form a repeating pattern (an aperiodic set of prototiles). A tessellation of space, also known as a space filling or honeycomb, can be defined in the geometry of higher dimensions.

  6. Pattern Blocks - Wikipedia

    en.wikipedia.org/wiki/Pattern_blocks

    Pattern blocks were developed, along with a Teacher's Guide to their use, [1] at the Education Development Center in Newton, Massachusetts as part of the Elementary Science Study (ESS) project. [5] The first Trial Edition of the Teacher's Guide states: "Work on Pattern Blocks was begun by Edward Prenowitz in 1963.

  7. Penrose tiling - Wikipedia

    en.wikipedia.org/wiki/Penrose_tiling

    The similarity with certain decorative patterns used in North Africa and the Middle East has been noted; [56] [57] the physicists Peter J. Lu and Paul Steinhardt have presented evidence that a Penrose tiling underlies examples of medieval Islamic geometric patterns, such as the girih (strapwork) tilings at the Darb-e Imam shrine in Isfahan. [58]

  8. Pattern - Wikipedia

    en.wikipedia.org/wiki/Pattern

    A pattern is a regularity in the world, in human-made design, [1] or in abstract ideas. As such, the elements of a pattern repeat in a predictable manner. A geometric pattern is a kind of pattern formed of geometric shapes and typically repeated like a wallpaper design. Any of the senses may directly observe patterns.

  9. List of mathematical artists - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical_artists

    Painting, sculpture and computer visualizations of four-dimensional geometry [43] Ri Ekl: 1984– Visual computer poetry: Geometry-inspired poetry [44] Saiers, Nelson: 2014– Fine art: Mathematical concepts (toposes, Brown representability, Euler's identity, etc) play a central role in his artwork. [45] [46] [47] Séquin, Carlo: 1941 ...

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