Descartes' theorem
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What links here
Harold Scott MacDonald Coxeter
5-cell
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Scientific phenomena named after people
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List of regular polytopes
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Discrete geometry
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Frieze group
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2003 in Canada
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1907 in Canada
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90 (number)
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Power center (geometry)
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Coxeter group
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Hyperbolic geometry
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Jacques Tits
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Quaternion group
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W. T. Tutte
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Hypercube
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Similarity (geometry)
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Tesseract
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Quadrilateral
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4-polytope
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Polygon
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Polytope
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March 31
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M. C. Escher
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Group (mathematics)
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Kepler–Poinsot polyhedron
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Icosidodecahedron
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February 9
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Douglas Hofstadter
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H.S.M. Coxeter
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