Elias

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153 Answers

newest activity votes
18
How does a non-mathematician go about publishing a proof in a way that ensures it to be up to the mathematical community's standards?
15
How can I prove that $xy\leq x^2+y^2$?
5
Can't argue with success? Looking for “bad math” that “gets away with it”
5
Some questions about Hilbert matrix
4
Free online mathematical software
4
Calculating $\lim_{n\to\infty}\sum_{k=1}^{\infty}\frac{(-1)^{k}\arctan(n^{2}k)}{n^{\alpha}+k^{3/2}}$
4
Proofs that involve Tricks
4
example of a sequence of functions $f_n \rightarrow f$ pointwise but $\sup f_n \nrightarrow \sup f$
3
Two Formulas for Radius of Convergence of power series.
3
Show that every subspace of $\mathbb{R}^n$ is a kernel of a linear map.
3
Normalizing a matrix
3
Which books can I study (learn) better the topics about convergence in $\Bbb R^{n}$ and euclidean space?
3
The Meaning of the Fundamental Theorem of Calculus
3
Funny identities
3
Finding circumference without using $\pi$
3
Number of solutions for sixth order equation
3
A proof of a property of limits
3
Calculate $\int_0^2 x^2 e^x dx$
3
What Mathematics questions can be better solved with concepts from Physics?
3
Finding summation
3
Diffeomorphic Level sets Of Manifolds
2
Positive semidefiniteness of a block matrix of positive semidefinite matrices
2
Reference request: Newton-Kantorovich hypothesis for polynomials of integral coefficients
2
Without a calculator, behavior of$ f(x) = e^{(2x-x^2)}$. What does the concavity tell me?
2
Derivative of $\sin^2 (\sqrt{t})$
2
Variable change in integral
2
Why does $\int_a^b fg\, dx = 0$ imply that $f = 0$?
2
How do I understand $e^i$ which is so common?
2
Prove that 1+1=2
2
How to communicate mathematics by computer and in the internet?
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