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| Revival | Answered more than 30 days later as first answer scoring 2 or more. This badge can be awarded multiple times. |
Phira earned this badge 11 times |
mar 19 at 16:52
How to check if a polytope is a smooth Fano polytope?
aug 9 at 11:28
How to prove $CAA^t=BAA^t$ implies $CA=BA$?
mar 13 '12 at 1:50
A property of the totient function
dec 26 '11 at 9:57
finding hypergeometric solutions for a recurrence relation
nov 26 '11 at 23:54
Linear Algebra: A matrix vs a determinant
nov 8 '11 at 19:20
Parity of Perfect Matchings
nov 1 '11 at 18:29
compute the fraction of products
oct 31 '11 at 2:35
total number of $n$-cycle
oct 31 '11 at 2:10
Meeting of people | Combinatorics
oct 30 '11 at 20:10
Number of ways of dividing $n-m$ into parts of at most size $m$
