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It is tianguang zhang,a child of 11 years old,who has discovered it!

·真正的蝴蝶定理的再次推广
·数学蝴蝶图谱V2004
·蝶变和蝴蝶的克隆

On this day@qiusir blog

One Response to “A Better Butterfly Theorem”

  1. qiusir Says:

    http://www.cut-the-knot.org/ctk/Lepidoptera.shtml

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