Gastón Burrull

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1,271 reputation

525

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	location	Santiago, Chile
	age	22
visits	member for	1 year
	seen	4 mins ago
stats	profile views	359

I'm an undegraduate math student in Pontificia Universidad Católica de Chile.

summary answers questions tags badges favorites 1 bounties reputation activity

52 Questions

votes activity newest

12	If $f\circ g$ is continuous and $g$ is continuous what about $f$?
11	Unnecessary property in definition of topological space
9	Complex Analysis Book
8	If $f: M\to M$ an isometry, is $f$ bijective?
6	It is possible to define our intuitive notion for probability in subsets of $[0,1]$

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1,271 Reputation

+10	Greek Life: $\cal{quod~erat~demonstrandum}$
+20	How does $\lim\limits_{n\to\infty} \sum_{i=1}^{n^2} 1$ result into 1+3+5…
+2	Cardinality relation between subsets of a group
+10	Is $f$ necessarily measurable?

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50 Answers

votes activity newest

34	Cute Determinant Question
8	Why should Rubik's cube get attention from mathematicians?
5	A continuous bijection $f:\mathbb{R}\to \mathbb{R}$ is an homeomorphism?
3	Why is $\;n^2-\frac{n^2}{2} =\frac{n^2}{2}\;$?
3	If $(x_n)$ is a sequence and $l \in \mathbb{R}$ prove $\displaystyle\lim_{y\to\infty}f(y)=l$ iff $\displaystyle\lim_{n\to\infty}x_n=l$

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58 Tags

34 linear-algebra × 3	8 rubiks-cube × 2
34 determinant	8 recreational-mathematics × 2
24 real-analysis × 41	8 puzzle
11 general-topology × 27	6 measure-theory × 12
8 soft-question × 2	6 calculus × 3

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5 Accounts

$Mathematics Stack Exchange$	Mathematics	1,271 rep	525
$TeX - LaTeX Stack Exchange$	TeX - LaTeX	138 rep	5
	Stack Overflow	101 rep
	Christianity	101 rep	2
	Anime & Manga	101 rep	2

29 Badges

recent class name

Vox Populi	Informed
Suffrage	Nice Question × 2
Constituent	Civic Duty
Yearling	Popular Question
Caucus	Custodian

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1 Active bounty

active offered earned

+100	Working on a generalized Cantor set, with Lebesgue measure, and a certain inequality.

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626 Votes Cast

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