Mathematics
Luiz Cordeiro's user avatar
Luiz Cordeiro's user avatar
Luiz Cordeiro's user avatar
Luiz Cordeiro
  • Member for 10 years, 8 months
  • Last seen more than a month ago
Profile Activity
Stats
18,164
reputation
461k
reached
539
answers
21
questions
Communities
View all
About

Professor at UFSC, campus Joinville

Not very active in stackexchange for the past few years.

Badges
View all badges
This user doesn’t have any gold badges yet.
30
silver badges
61
bronze badges
Top tags
View all tags
305
Score
127
Posts
23
Posts %
255
Score
63
Posts
11
Posts %
141
Score
72
Posts
13
Posts %
94
Score
54
Posts
10
Posts %
94
Score
48
Posts
9
Posts %
94
Score
38
Posts
7
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
41
How to show the that a set $A$ nowhere dense is equivalent to the complement of $A$ containing a dense open set?
Jun 10, 2014
answer
29
Showing that the closure of a totally bounded set is totally bounded
May 13, 2014
answer
24
The closure of a connected set in a topological space is connected
Feb 16, 2014
answer
23
What is the sum of all positive even divisors of 1000?
Sep 12, 2016
answer
19
Why aren't vacuous truths just undefined?
Aug 8, 2016
answer
18
Compactness and sequential compactness in metric spaces
Jun 6, 2014
question
17
A general "inclusion-exclusion principle" / Formulas like $\inf(a,b)\sup(a,b)=ab$
Aug 25, 2021
answer
15
A function with countable discontinuities is Borel measurable.
Apr 22, 2013
question
14
Prove that a covering map is a homeomorphism
Feb 16, 2013
question
14
Dual and completion of metric spaces
Jul 3, 2013
Top network posts
View all network posts
33
Why are there two inverses to exponentiation?
15
Best form for slide / beamer presentation: display items in a slide as they are discussed or all at once?
11
Reference on study habits; cramming vs studying a bit every day

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.