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Mathematics
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Bob
  • Member for 9 years, 4 months
  • Last seen this week
  • Princeton, NJ, United States
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TEX lover!

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6
Calculate $\lim_{x \to 0} \frac{e^{3x} - 1}{e^{4x} - 1}$
May 25, 2015
question
5
Is $\det(U_1\Lambda_1 U_1^t +U_2\Lambda_2 U_2^t +I)\le \det(\Lambda_1 +\Lambda_2 +I)$ correct?
May 27, 2015
question
3
Can linear combinations of any Gaussian random variables be independent?
Jun 5, 2015
question
3
How to determine a function of a matrix is increasing or decreasing
Jun 24, 2015
question
2
If two different linear combinations of two random variables are Gaussian, can we deduct both of them are Gaussian.
May 25, 2015
question
2
Is Gaussian $(X_1, X_2)$ optimal for $h(a_1X_1+ a_2X_2+Z_1) - \mu \, h( b_1X_1+b_2X_2+ Z_2)$?
May 28, 2015
question
2
Combining Markov chains
Jul 6, 2015
question
2
Any hints on how to solve this optimization problem?
Sep 21, 2015
question
2
Eigenvalues of sum of Hermitian matrices with certain constraints
Aug 8, 2017
answer
2
Determinant of symmetric matrix $(A-\lambda I)$
May 29, 2015
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17
Quit a postdoc?
11
I’m an international PhD student getting kicked out from my research group. I really need a PhD. Any advice?
7
In CV, how to mention articles published only in arxiv?