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Dual Billiards
The red point looks at the blue points and is reflected in the one furthest to its right; the process repeats with the new reflected point.
Contributed by:
George Beck
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S. Tabachnikov,
Geometry and Billiards
(Mathematics Advanced Study Semesters), Providence, RI: American Mathematical Society, 2005.
Billiards
(
Wolfram
MathWorld
)
"
Dual Billiards
" from
The Wolfram Demonstrations Project
http://demonstrations.wolfram.com/DualBilliards/
Contributed by:
George Beck
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