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Hao Chen's user avatar
Hao Chen's user avatar
Hao Chen
  • Member for 12 years, 11 months
  • Last seen more than a month ago
revised
Which term is better for the so called "sphere packing"?
added 72 characters in body; edited title
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Is there a midsphere theorem for 4-polytopes?
@Gil: You are right, P_6*C_3 is the graph of a stacked polytope, but not sphere packable.
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How does the distribution of Erdős number evolve over time ? How to build a model to fit the real data ?
added 11 characters in body; edited title; added 1 characters in body; added 4 characters in body; deleted 2 characters in body
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