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493184
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location Buenos Aires, Argentina
age 40
visits member for 4 years, 5 months
seen 3 mins ago

Dec
2
reviewed Approve Condition for a tensor to be decomposable
May
20
reviewed Approve Show that the converse of Fermats Little Theorem is false using a counter example.
Apr
13
reviewed Approve Every radical is prime?
Jan
19
reviewed Approve How can I solve $\sin(x)=\sin(2x)$?
May
12
reviewed Approve Is the endomorphism ring of $\mathbb{R}$ self-opposite?
Mar
24
reviewed Approve Algebraic Topology Artin
Feb
19
reviewed Approve What characteristic of the triangle leads the the existence of the orthocenter
Feb
13
reviewed Approve non linear optimization
Feb
1
reviewed Approve geometric realization of a free simplicial group
May
7
reviewed Approve Prove that the composition of differentiable functions is differentiable.
Apr
23
reviewed Reject Prove the set $M=\{x\in\mathbb{R}^2_+ \mid \alpha x_1+\gamma x_2\leq \beta\}$ is convex
Sep
10
reviewed Approve Does $a_k,b_k>0$ imply $\left(\sum_{k=1}^n \frac{a_k}{n}\right)^2+\left(\sum_{k=1}^n \frac{b_k}{n}\right)^2\ge \prod_{k=1}^n(a_k^2+b_k^2)^{1/n}$?
Sep
6
reviewed Approve Computing square roots and calculus
Sep
6
reviewed Approve How can i prove that every terminating real number is rational and every repeating real number is a rational number.
Jul
24
reviewed Approve Probability of the event of product of three integers to be divisible by 4
Jul
8
reviewed Approve Characterize entire functions $f$ such that $|f(z)| \leq |\sin(z)|$
Jul
4
reviewed Approve shortcut for finding a inverse of matrix
Jun
30
reviewed Approve What is this integral?
Jun
28
reviewed Approve Convergence of integral $\int_{1}^{\infty}\frac{\sqrt{x}+2+\cos{x}}{x+2}dx$
Jun
27
reviewed Approve Restriction of sections a weak homotopy equivalence?