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Questions
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349
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Blowing down -1 curves

sep 9 at 7:53 Jérémy Blanc 1,697●1●4●13

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144
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Expressing a element of a Matrix subgroup in terms of subgroup generators

oct 10 11 at 8:33 Derek Holt 7,071●1●14●29

 
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Self intersection of blown up points and the lines which they lie on

sep 19 11 at 3:13 Chris 123●2●8

 
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(Anti)Canonical divisor of a blow up

sep 13 11 at 8:33 quim 1,211●5●8