Mathematics
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Arash
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"Let no one ignorant of geometry enter"

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All Questions Answers
Score Newest
answer
23
Can somebody explain to me Cantor's diagonalization argument?
Oct 6, 2013
answer
21
Distance between mean and median
Sep 24, 2013
answer
20
Collection of surprising identities and equations.
Sep 26, 2013
answer
18
Prove: $3(a^4+b^4+c^4)+48\ge 8(a^2b+b^2c+c^2a)$
Oct 10, 2013
answer
17
Could PI have a different value in a different universe?
Oct 8, 2013
answer
17
Applications of information geometry to the natural sciences
Oct 2, 2013
answer
17
Show that the max of two submartingale is also a submartingale
Sep 15, 2013
answer
15
Functional Equation (no. of solutions): $f(x+y) + f(x-y) = 2f(x) + 2f(y)$
Sep 6, 2013
answer
15
$A$ is invertible if and only if $A^t$ is invertible
Sep 27, 2013
answer
12
Show $\sum\limits_{d|n}\phi(d) = n$.
Sep 24, 2013
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12
Work of plenary speakers at ICM 2014
11
Intrinsic significance of differential entropy
7
Optimization over space of probability measures
6
Singular distributions: Applications and Instances
6
If you break a stick at two points chosen uniformly, the probability the three resulting sticks form a triangle is 1/4. Is there a nice proof of this?

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