checkmath

Member for 11 years, 7 months
Last seen more than a month ago

Brasil

Summary

Reputation

4,571

4.6k
4.2k
3.8k

2020
2021
2022
2023

Top tag

general-topology

Next privilege

5,000 Rep.

Approve tag wiki edits

Badges

1

26

47

Newest

Popular Question

Next badge

0/1

Excavator

Answers

View all 76 answers

Score Activity Newest

26

An empty intersection of decreasing sequence of closed sets

Mar 5, 2012

13

Dimension of $GL(n, \mathbb{R})$

Mar 6, 2012

9

Does there exist a function that is differentiable but not integrable? or integrable but not differentiable?

Apr 2, 2012

6

If $f$ is continuous on $[a , b]$ and $\int_a^b f(x) p(x)dx = 0$ then $f = 0$

Mar 3, 2012

5

How to construct a dense subset of $\mathbb R$ other than rationals.

Mar 3, 2012

Questions

View all 51 questions

Score Activity Newest Views

30

Limit of $L^p$ norm when $p\to0$

Mar 1, 2012

27

How to prove that an operator is compact?

Mar 2, 2012

14

Isometric Embedding of a separable Banach Space into $\ell^{\infty}$

Feb 23, 2012

13

An uncountable family of measurable sets with positive measure

Feb 29, 2012

13

About connected Lie Groups

Apr 26, 2012

Tags

View all 79 tags

general-topology

40

Score

11

posts

real-analysis

32

Score

42

posts

functional-analysis

22

Score

23

posts

linear-algebra

19

Score

5

posts

matrices

14

Score

2

posts

Reputation

+10

Dimension of $GL(n, \mathbb{R})$

+10

Isometric Embedding of a separable Banach Space into $\ell^{\infty}$

+10

Limit of $L^p$ norm when $p\to0$

+10

An application of J.-L. Lion's Lemma

Badges

View all badges

1

gold badge

Fanatic

May 25, 2012

26

silver badges

Taxonomist

Jan 5, 2013
Inquisitive

Jul 2, 2014
Good Question

× 2

Dec 29

47

bronze badges

Talkative

Jan 24, 2013
Investor

Mar 17, 2012
Vox Populi

Mar 28, 2012

Accounts

View all 83 accounts

4,571
1
26
47

204
1
6

161
3

151
2

147
4

Active bounties (0)

Active Offered Earned

This user has no active bounties

Votes cast

158

upvotes

4

downvotes

115

question votes

47

answer votes