czy

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Name czy
Member for 7 months
Seen May 20 at 13:12
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Location China
Age 28
2

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3
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answer
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Unknotting number and crossing number

oct 9 at 14:44 Makoto Ozawa 106●1

1
2
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0
answers
59
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One question about the quandle

mar 17 at 7:33 czy 93●3

 

1

Answers
4
Links with same Jones polynomial

 

0

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3

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