Yaroslav Bulatov

Member for 13 years, 3 months
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San Francisco, CA, United States

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Matrices commute if and only if they share a common basis of eigenvectors?

Oct 7, 2010

Proving $\sqrt{1-x^2}\ge \operatorname{erf}(\sqrt{-\log x})$

Oct 14, 2010

Inverse of integral transform $f(s)=\int_0^\infty g(x) \exp(-s g(x)) \mathbb{d}x$

Sep 5, 2021

Average value of $\frac{x'A^2x}{x'A^3x}$ over surface of $n$-dimensional sphere

Aug 19, 2021

Behavior of inverse of $f(s)=\frac{1}{H_n}\sum_{i=1}^n \left(1-\frac{1}{i}\right)^s\frac{1}{i}$

Jun 22, 2021

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How do Lagrange multipliers work to find the lowest value of a function subject to a constraint?

Aug 10, 2010

Local variables when defining function in Mathematica

Mar 24, 2011

On the existence of closed form solutions to finite combinatorial problems

Feb 25, 2011

Mathematica's "Solve" and filtering out the one real (non-complex) solution

Mar 21, 2011

Best way to exactly solve a linear system (300x300) with integer coefficients

Feb 3, 2011

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top 6% overall

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Showing $2\left\|(H\otimes H) \left(I\otimes H+H\otimes I\right)^{-1}\right\|=\|H\|$

+50

Frobenius norm of a product of Gaussian matrices

+20

Connecting Norm to Spectral radius for convergent matrices?

+10

Distribution of k'th squared singular value of a Gaussian matrix?

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Frobenius norm of a product of Gaussian matrices

Nov 25

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