Alex

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178 Answers

newest activity votes
11
What are some examples of a mathematical result being counterintuitive?
10
How to transform the factored form of $\sin(x)$?
7
Why does a random walk on a graph G converge to a uniform distribution?
7
$P(B|A)=1-P(\sim B|A)$ are these equivalent?
6
Conjugate transpose of a matrix
6
Fixed point theorem on graphs?
6
Goursat's Theorem
5
Weierstrass $M$-test problem, $f_n(x)=(nx^2)/(n^3+x^3)$
5
How to entertain a crowd with mathematics?
5
Prove that $\lim_{t \rightarrow 0} t \int_{0}^{\infty} e^{-tx} f(x) dx =1$
5
Express the following formula in terms of n
4
Proving $\frac{1}{2}(5x+4),\;2 < x,,\;\text{isPrime}(n)\Rightarrow n = 10k+7$
4
What makes a good mathematician?
4
How do I sell out with abstract algebra?
4
How $x^4$ is strictly convex function?
4
Let $ (x_n) $ be a divergent sequence in a compact subset of $ \mathbb{R}^n $. Prove there are two subsequences that converge to different limits.
4
Compute $ \sum_{k=1}^{\infty} \text{sech}(2 k)$
4
Is this function - characteristic function of a random variable?
4
Kindle paperwhite
4
Simple Application of Prime Number Theorem
4
Expected number of frog jumps
4
What mathematical ideas/concepts became obsolete due to technological progress?
4
Question about The Weierstrass Factorization Theorem
4
A book for self-study of matrix decompositions
4
Where does the mass disappear in Fatou's Lemma?
3
Proof that $E(X)<\infty$ entails $\lim_{n\to\infty}n\Pr(X\ge n) = 0$?
3
Give an $O(n^3)$-time dynamic programming algorithm for the given problem
3
Proving the following inequality using induction?
3
Show that monotone sequence is reducing and bounded by zero?
3
Probability Density Function Converging to Dirac Delta Function Proof
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