1,405 reputation
825
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location Montreal
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visits member for 3 years, 11 months
seen Aug 20 at 13:43

Computer scientist student who is trying to study math and trying avoid asking stupid questions on this website.


Jul
12
revised The variational formulation of entropy
edited body
Jul
11
asked The variational formulation of entropy
Jul
8
awarded  Nice Question
Jul
2
awarded  Notable Question
Jul
2
awarded  Curious
Jul
2
awarded  Inquisitive
Jun
15
awarded  Popular Question
May
16
revised If the sum of two independent random variables is in $L^2$, is it true that both of them are in $L^1$?
deleted 148 characters in body
May
14
accepted If the sum of two independent random variables is in $L^2$, is it true that both of them are in $L^1$?
May
13
revised If the sum of two independent random variables is in $L^2$, is it true that both of them are in $L^1$?
added 148 characters in body
May
13
comment If the sum of two independent random variables is in $L^2$, is it true that both of them are in $L^1$?
@Batman That's why proving $X$ and $Y$ are in $L^1$ should be an easier task, isn't it?
May
13
comment If the sum of two independent random variables is in $L^2$, is it true that both of them are in $L^1$?
Can you give an example s.t. $\mathbb E(X+Y)^2 < \infty$ but $\mathbb E X = \infty$ and $\mathbb E Y = \infty$?
May
12
comment 1D biased random walk - is the event of infinte many returns a tail event?
You should check Hewitt–Savage zero–one law - en.wikipedia.org/wiki/…
May
12
asked If the sum of two independent random variables is in $L^2$, is it true that both of them are in $L^1$?
May
7
comment hat problem and probability
If the colors are assigned at equal probability and independently, you will not be able do better than 1/2.
May
5
revised Simple probability problem?
typos
May
4
answered Simple probability problem?
Mar
10
awarded  Popular Question
Mar
2
awarded  Notable Question
Dec
8
awarded  Popular Question