Sarastro
Reputation
1,280
Next privilege 2,000 Rep.
 Mar14 answered Prove that if $N(z)$ is irreducible in $\Bbb{Z}$ then $z$ is irreducible in $\Bbb{Z}[\sqrt{\alpha}]$. Feb15 answered Elementary question on stabilizer and S3 Feb7 answered The function given by the Rao-Blackwell theorem is a statistic Feb1 answered Proving the minimality of an element order Jan22 answered Why is every sequential map uniformly continuous Nov30 answered Probability and recurrence Nov3 answered imprisoned in a cell where there are only 3 ways out ,each of which are equally likely Nov1 answered How to prove that: $f(A\cap B) \subseteq f(A) \cap f(B)$, and some few others Nov1 answered How to find a non-Gaussian function f(x) that satisfies the following condition: Oct27 answered How do you say that variable is randomly chosen with a random distribution for range [3, 42]? Oct21 answered Last 3 digits of $7^{12341}$ Sep23 answered $\sum_{k=0}^n \binom{n}{k}^2 = \binom{2n}{n}?$ Sep14 answered Forming a new matrix by adding the same number to any row or column Sep10 asked Forming a new matrix by adding the same number to any row or column Aug28 answered Why is this simplex procedure not working? $\min z = y - x + 1$ May31 answered If $y=x^{x^{x^{x^{x^{.^{.^{.}}}}}}}$ then how $y=x^y$? Sep21 asked On the roots of $t^4-6\sqrt3t^3+8t^2+2\sqrt3t-1=0$ Aug15 answered How many ways can $2m$ be represented as the sum of 4 natural numbers $\le m$? Mar29 answered The minimum value of $a^2+b^2+c^2+\dfrac{1}{a^2}+\dfrac{1}{b^2}+\dfrac{1}{c^2}?$ Mar24 answered Proving that there are relatively prime elements (Posa problem)