Mathematics
user avatar
user avatar
user avatar
vonbrand
  • Member for 9 years, 7 months
  • Last seen more than a week ago
Profile Activity
Stats
26,738
reputation
1.8m
reached
1,722
answers
1
question
Communities
View all
About

Associate Professor, Departamento de Informática, Universidad Técnica Federico Santa María.

Badges
View all badges
6
gold badges
38
silver badges
73
bronze badges
Top tags
View all tags
387
Score
357
Posts
21
Posts %
278
Score
359
Posts
21
Posts %
204
Score
165
Posts
10
Posts %
201
Score
203
Posts
12
Posts %
146
Score
86
Posts
5
Posts %
139
Score
156
Posts
9
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
26
Intuitively, why does $\int_{-\infty}^{\infty}\sin(x)dx$ diverge?
Jun 12, 2014
answer
21
Determining Ambiguity in Context Free Grammars
Feb 9, 2013
answer
21
Why can't the Polynomial Ring be a Field?
Mar 12, 2014
answer
19
Prove that field of complex numbers cannot be equipped with an order relation
Feb 23, 2013
answer
17
Proof of the single factor theorem over an arbitrary commutative ring
Feb 5, 2014
answer
15
Double summation, index change clarification.
Mar 26, 2013
answer
14
Number of ways to interleave two ordered sequences.
Feb 6, 2014
answer
14
Proof of the hockey stick/Zhu Shijie identity $\sum\limits_{t=0}^n \binom tk = \binom{n+1}{k+1}$
Oct 21, 2015
answer
13
how to prove : $(p-1)!\equiv p-1 \pmod {p(p-1)})$
Apr 5, 2013
answer
13
Prove that $n+1$ elements of a set will contain a co-prime pair
Apr 11, 2013
Top Meta posts
3
13
16
homework questions, again
12
Many posts by the same user, no question, cites own papers
12
Audit answers copy an existing answer? Clicking "comment" means acceptance?
5
Etiquette when answering questions from less math-oriented users
3
Homework question without effort - Why so many answers?
Top network posts
View all network posts
234
How can I make git show a list of the files that are being tracked?
71
git pull from remote but no such ref was fetched?
54
Continuum from collaboration on homework to copying
52
Why does TeX Live "require" yearly updates?
45
Why are so many internet protocols text-based?

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.