Jason
  • Member for 6 years, 8 months
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0 answers
2 votes
48 views
Interchange limit and derivative in infinite sum
1 answers
1 votes
69 views
argmax of sum of two functions given constraints on argmax of each of them
1 answers
1 votes
61 views
multivariable convex function
1 answers
1 votes
110 views
necessary and sufficient condition of a trace equation $\operatorname{diag}(AXA^\dagger)=0$
1 answers
1 votes
75 views
closed form for $\prod_{k=0}^{n}\left(1-2\alpha \cos\frac{2\pi k}{n}\right) $
0 answers
1 votes
158 views
second moment distribution of random walk
1 answers
0 votes
53 views
convexity of $f(x)+f(g(x))$
1 answers
0 votes
38 views
Markov's like inequalities
1 answers
0 votes
91 views
limit of $\int_{-\frac{n}{2}}^{\frac{n}{2}}\exp\left(-\frac{(x-n)^2}{2n^2}\right)dx$ and its summation analog.
1 answers
0 votes
138 views
normal distribution with infinite variance and infinite mean
1 answers
0 votes
76 views
evaluation of $\sum_{n=-\infty}^{\infty}e^{-2\pi^{2}z^{2}n^{2}}$ for large z
1 answers
0 votes
174 views
1 bookmarks
Orthonormality of Hermite function
1 answers
-1 votes
95 views
1 bookmarks
Evaluation of $\sum_{n=1}^{\infty}q^{n^{2}}$?