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Need book on billiard ball type problems

  1. Jan 9, 2010 #1
    I need a book about billiard balls (or light rays) bouncing around the inside of polygons. Any suggestions?

    I am not talking about art gallery problems. The walls must be made of mirrors.
  2. jcsd
  3. Jan 10, 2010 #2
  4. Jan 11, 2010 #3
    Or if anyone can refer me to some papers on the subject, that would be nice.
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