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lorenzo

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

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  • Member for 3 years, 9 months
  • 205 profile views
  • Last seen 2 days ago

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Top Posts (81) All Questions Answers | Votes Newest

4 Critical points of function $f(x):=\frac{<Ax,x>}{|x|^2}$ are eigenvectors of $A$ May 16 '17
4 A converse to the First Fundamental Theorem of Calculus May 21 '17
3 Continuity of polynomials of two variables Aug 19 '17
3 Equivalent formulation of uniform continuity (uniform convergence of shifted functions) Sep 28 '17
3 $\varepsilon$ - closeness property Jun 27 '15
2 Starting index of a sequence is irrelevant Oct 4 '15
2 If $q, r \in \mathbb{R}, x \in \mathbb{R}^+$ then $(x^q)^r=x^{qr}$ Dec 16 '15
2 Find a surjective function $f:\mathbb{N}\to \mathbb{Q}$ Mar 9 '16
2 Prove that $\sum_{x\in X}f(x)$ is absolutely convergent iff $sup\{\sum_{x\in A}|f(x)|:A\subseteq X, A$ finite $\}<\infty$ Mar 20 '16
2 conditionally convergent but not absolutely convergent series May 2 '16
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