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knsam

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Top posts (24) All Questions Answers | Votes Newest

7 Modular Forms: Find a set of representatives for the cusps of $\Gamma_0(4)$ May 18 '15
7 Prove that a group with exponent 3 is abelian. Apr 10 '16
5 Norm of element $\alpha$ equal to absolute norm of principal ideal $(\alpha)$ Apr 10 '16
4 Find a matrix of order $p$ in a subgroup of $\operatorname{GL}_n(\mathbb Z_p)$ Apr 6 '16
3 $R$ be a commutative ring, $x \in R$, $I$ an ideal such that $I+\langle x \rangle$ and $(I:x)$ are principal ideals, then is $I$ a principal ideal? Jul 26 '16
3 Index of an order in a number field Feb 24 '16
3 Vector field on manifold Apr 6 '16
3 How to prove this? The existence of solutions to linear inequalities Oct 9 '13
2 Let $\displaystyle f$ be a continuous function from $[0,4]$ to $[3,9].$ Mar 6 '13
2 Linear Transformation Mar 7 '13
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