Movable configurations.
Berman, Leah Wrenn (2006)
The Electronic Journal of Combinatorics [electronic only]
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Displaying similar documents to “Even astral configurations.”
Movable configurations.
Some results on odd astral configurations.
Berman, Leah Wrenn (2006)
The Electronic Journal of Combinatorics [electronic only]
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Obtaining a 3D extension of Pascal theorem for non-degenerated quadrics and its complete configuration with the aid of a computer algebra system.
E. Roanes-Macías, E. Roanes-Lozano, J. Fernández-Biarge (2009)
RACSAM
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Explorations and Discoveries in the Classroom
Judita Cofman (1998)
The Teaching of Mathematics
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24 self-inscribed decagons in Desargues configuration
Kishore Sinha (1976)
Časopis pro pěstování matematiky
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Configuration of mutually perspective triangles
Kishore Sinha (1976)
Časopis pro pěstování matematiky
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A bijection between classes of fully packed loops and plane partitions.
Di Francesco, P., Zinn-Justin, P., Zuber, J.-B. (2004)
The Electronic Journal of Combinatorics [electronic only]
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Exterior parallelism for polyhedra.
Wegner, Bernd (1991)
Mathematica Pannonica
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The envelope of the Wallace-Simpson lines of a triangle. A simple proof of the Steiner problem on the deltoid.
Miguel de Guzmán (2001)
RACSAM
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A simple proof is presented of a famous, and difficult, theorem by Jakob Steiner. By means of a straightforward transformation of the triangle, the proof of the theorem is reduced to the case of the equilateral triangle. Several relations of the Steiner deltoid with the Feuerbach circle and the Morley triangle appear then as obvious.