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seen Apr 3 '13 at 19:13

Dec
10
answered Need help with simple proof by mathematical induction
Dec
10
revised unanimity game, calculate core/shapley value
formatting (latex)
Dec
10
suggested suggested edit on unanimity game, calculate core/shapley value
Dec
9
revised Why the double integral does not exist?
formatting (latex)
Dec
9
suggested suggested edit on Why the double integral does not exist?
Dec
9
revised If G is a group and A,B,C are subsets of G, prove that (AB)C=A(BC)
latex tags
Dec
9
suggested suggested edit on If G is a group and A,B,C are subsets of G, prove that (AB)C=A(BC)
Dec
9
accepted left regular representation of $G$ with respect to $g$
Dec
9
comment left regular representation of $G$ with respect to $g$
Ok, thank you !
Dec
9
comment left regular representation of $G$ with respect to $g$
Thank you for the answer. I want to prove that $\lambda_g$ is surjective and injective directly (I know the definitions), but how?
Dec
9
asked left regular representation of $G$ with respect to $g$
Dec
9
accepted prove that $\text{lcm}(\text{lcm}(a,b),c)=\text{lcm}(a,\text{lcm}(b,c))$
Dec
9
asked prove that $\text{lcm}(\text{lcm}(a,b),c)=\text{lcm}(a,\text{lcm}(b,c))$
Dec
8
awarded  Critic
Dec
4
revised Question Regarding Poisson and probability.
latex tags
Dec
4
suggested suggested edit on Question Regarding Poisson and probability.
Dec
2
accepted An abelian group is not isomorphic to an non-abelian group.
Dec
2
comment An abelian group is not isomorphic to an non-abelian group.
Yes, an isomorphism is a bijective homomorphism.
Dec
2
asked An abelian group is not isomorphic to an non-abelian group.
Dec
2
accepted Show that $\Bbb{Z}/4\Bbb{Z}\times\Bbb{Z}/2\Bbb{Z}\not\cong\Bbb{Z}/8\Bbb{Z}$