|Enlightened||First to answer and accepted with score of 10 or more. This badge can be awarded multiple times.|
Grigory M earned this badge 7 times
may 26 at 2:32Combinatorial proof of a Stirling number identity.
mar 6 '12 at 21:36the number of loops on lattice?
nov 25 '11 at 8:56Which manifolds are parallelizable?
may 15 '11 at 12:17What functor does $K(G, 1)$ represent for nonabelian $G$?
mar 14 '11 at 23:19Why can't I combine complex powers