Mathematics
Sergei Golovan's user avatar
Sergei Golovan's user avatar
Sergei Golovan's user avatar
Sergei Golovan
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Score Newest
answer
9
Maximum mean absolute difference of two iid random variables
Feb 18, 2017
answer
6
Give an example of $\liminf_{k \to \infty} \frac{a_{k+1}}{a_k} \lt \liminf_{k \to \infty} (a_k)^{\frac{1}{k}}$
Jan 7, 2017
answer
5
Is it true that $A\geq B$ implies $B^{\dagger}\geq A^{\dagger}$ for singular positive semidefinite matrices?
Dec 29, 2016
answer
5
If $f$ is continuous and $f(A)$ is open, is $A$ necessarily open?
Jan 10, 2017
answer
5
Show that if $λ$ is an eigenvalue of $M$ then so is $−λ$
Jan 22, 2017
answer
4
The positive semi-definiteness of the element-wise matrix product
Feb 11, 2019
answer
4
Decomposition of an idempotent matrix
Dec 21, 2016
answer
4
How translation generates weak convergence?
Feb 27, 2017
answer
4
Why is finding $M$ eigenvectors on smaller matrix valid?
Jan 7, 2017
answer
4
Prove the supporting hyperplane theorem for convex sets in Euclidean spaces
Jan 14, 2017
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How to write capital alpha?
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"Lollipop" Timeline
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How to draw force lines onto an equipotential contour plot using TikZ?
13
Which is the "correct" way to represent C=AB with \mathbf?
12
How to use multiple font packages at the same time?

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