3,697 reputation
1732
bio website sharif.academia.edu/…
location Tehran, Iran
age 25
visits member for 3 years, 2 months
seen 5 hours ago

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Mar
29
revised Linear Algebra: Suppose A is n x m, and n < m. Show that A'A is singular.
added 368 characters in body
Mar
29
revised proving to see that a normal subgroup is equal to a subgroup if one of the subgroup is the identity.
edited tags
Mar
29
revised proving to see that a normal subgroup is equal to a subgroup if one of the subgroup is the identity.
added 1 characters in body
Mar
22
revised Show that the p-Sylow subgroup is normal in $G$
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Mar
11
revised Let G be a group and let H,K be subgroups of G where |H|=12 and |K|=5. Then the intersection of H and K = {e}.
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Mar
10
revised Prove that H is a subgroup of G
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Mar
6
revised Irreducible Representation and the center of a group
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Mar
6
revised Irreducible Representation and the center of a group
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Mar
5
revised Normalizer of Sylow p subgroup
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Mar
4
revised Order of automorphism group
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Mar
4
revised Proof matrices and their eigenvalues
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Feb
27
revised A second isomorphism theorem for action on cosets
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Feb
25
revised Why do certain inner-product conditions imply linear independence?
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Feb
22
revised Probability of $P(X>Y)=p_1, P(Y>Z) = p_2, P(Z>X) =p_3$, find minimum of $p_1 +p_2 +p_3$
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Feb
21
revised Finding integers $m,n$ such that $(m-n)^2=4mn/(m+n-1)$
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Feb
21
revised Finding integers $m,n$ such that $(m-n)^2=4mn/(m+n-1)$
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Feb
21
revised Finding integers $m,n$ such that $(m-n)^2=4mn/(m+n-1)$
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Feb
21
revised Finding integers $m,n$ such that $(m-n)^2=4mn/(m+n-1)$
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Feb
17
revised Find homomorphisms from $C_8$ to $S_3$ and from $C_6$ to $S_3$, and are there any isomorphisms?
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Feb
17
revised Calculate $\iint_D 3dxdy$ where $D = \{(x, y) : (x+y)^2 + (2x - y)^2 \le 4 \}$
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