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Mathematics
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filipos

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 4 years, 10 months
  • 102 profile views
  • Last seen Dec 6 '18 at 20:09

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Top posts (50) All Questions Answers | Votes Newest

20 How did the rule of addition come to be and why does it give the correct answer when compared empirically? Feb 5 '16
9 Give an example of a nonabelian group in which a product of elements of finite order can have infinite order. Oct 26 '15
6 Why is it useful to show the existence and uniqueness of solution for a PDE? Jul 12 '16
5 $a+\frac{1}{a}\ge 2$ for $a\in\mathbb{R}_{+}$ Feb 12 '16
5 Why do we say function “parameterized by” vs just function of (x,y,z,…)? Mar 1 '16
4 How to prove that a complex number is not a root of unity? Mar 31 '16
4 How to determine if two lines are parallel/ almost parallel? Jul 13 '16
4 Problem with basic definition of a tangent line. Apr 18 '16
4 Does this Fractal Have a Name? May 22 '16
3 Is it true that when $X$ is a positive matrix and $Y$ is a self adjoint matrix then $XY$ is positive?? Apr 5 '16
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