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Grigory M earned this badge 7 times |
may 26 at 2:32
Combinatorial proof of a Stirling number identity.
mar 6 '12 at 21:36
the number of loops on lattice?
nov 25 '11 at 8:56
Which manifolds are parallelizable?
may 15 '11 at 12:17
What functor does $K(G, 1)$ represent for nonabelian $G$?
mar 14 '11 at 23:19
Why can't I combine complex powers
