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martini
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160
Poisson Distribution of sum of two random independent variables $X$, $Y$
Oct 25, 2012
60
How the product of two integrals is iterated integral? $\int\cdot \int = \iint$
Nov 3, 2013
58
Find $x$ such that $\sqrt{x+\sqrt{x+7}}\in \mathbb{N}$
Dec 4, 2013
53
Dual of $l^\infty$ is not $l^1$
Jul 16, 2014
52
Sum of two independent binomial variables
Mar 5, 2015
49
Are weak derivatives and distributional derivatives different?
Jul 25, 2013
42
Splitting of conjugacy class in alternating group
May 28, 2013
42
Is trace invariant under cyclic permutation with rectangular matrices?
Dec 6, 2012
40
If $x$, $y$, $x+y$, and $x-y$ are prime numbers, what is their sum?
Dec 4, 2012
33
If there are injective homomorphisms between two groups in both directions, are they isomorphic?
Apr 30, 2015