Skip to main content
Mathematics
Tara B's user avatar
Tara B's user avatar
Tara B's user avatar
Tara B
  • Member for 12 years, 4 months
  • Last seen more than a month ago
  • Portugal
Profile Activity
Stats
5,371
reputation
234k
reached
120
answers
3
questions
Communities
View all
About

I do research on groups, semigroups, and especially interactions between algebra and formal language theory. My non-research interests include combinatorics, elementary number theory and topology.

Badges
View all badges
This user doesn’t have any gold badges yet.
21
silver badges
38
bronze badges
Top tags
View all tags
173
Score
38
Posts
31
Posts %
108
Score
29
Posts
24
Posts %
70
Score
6
Posts
5
Posts %
62
Score
9
Posts
7
Posts %
43
Score
20
Posts
16
Posts %
43
Score
8
Posts
7
Posts %
Top posts
View all questions and answers
47
How is the set of all programs countable?
Feb 20, 2013
23
Is this group abelian?
Mar 2, 2013
19
Is there an infinite simple group with no element of order $2$?
May 1, 2012
15
What exactly are eigen-things?
Feb 11, 2013
15
Let $p$ be a prime. Prove that $p$ divides $ab^p−ba^p$ for all integers $a$ and $b$.
Mar 24, 2012
14
The free group $F_2$ contains $F_k$
Feb 17, 2013
13
Why is a matrix $A\in \operatorname{SL}(2,\mathbb{R})$ with $|\operatorname{tr}(A)|<2$ conjugate to a matrix of the following form?
May 15, 2012
13
No permutation of $S_4$ satisfying the expression.
Apr 29, 2012
9
In how many ways we can choose three numbers the set of first $11$ natural numbers $(1,2,\cdots,11)$ so that their sum is a multiple of $3$?
Apr 26, 2012
9
What is the standardized way to represent $\pi$ in binary notation?
Apr 23, 2012
Top Meta posts
2
2
57
Removal of votes when a user is removed
8
Number of comments to unanswered questions
5
(tutoring) tag proposal
Top network posts
View all network posts
69
How to deal with an advisor who wants a "friendlier" relationship with me than I do?
38
How to get back on track after falling behind
35
Points to consider when deciding whether to get married during a PhD
30
What to wear on one's shoulders to interviews? (bags, backpacks, etc.)
20
Status of an open problem about semilinear sets