Skip to main content
Mathematics
Jay's user avatar
Jay's user avatar
Jay's user avatar
Jay
  • Member for 13 years, 5 months
  • Last seen more than 1 year ago
  • Minneapolis, MN
Profile Activity
Stats
3,902
reputation
19k
reached
17
answers
6
questions
Communities
View all
About

I am interested in closure systems. I think of them as generalizations of the convex hull operation rather than a generalization of closure in topology. See: http://www.ams.org/meetings/sectional/1058-52-28.pdf

Badges
View all badges
This user doesn’t have any gold badges yet.
17
silver badges
14
bronze badges
Top tags
View all tags
112
Score
18
Posts
78
Posts %
52
Score
2
Posts
9
Posts %
26
Score
3
Posts
13
Posts %
18
Score
2
Posts
9
Posts %
17
Score
4
Posts
17
Posts %
11
Score
1
Posts
4
Posts %
Top posts
View all questions and answers
answer
27
Why don't people vote for posts any more?
Nov 14, 2013
answer
25
Reputation points for less elementary questions and answers are low
Dec 29, 2012
answer
16
discrepancies between skills and ambitions
Jul 20, 2011
answer
11
No offense intended, but...
May 14, 2013
question
10
What new users see when they wish to learn how to ask questions.
May 28, 2013
answer
10
How to ask a question not related to my area?
Mar 5, 2014
question
8
How do I log out from the new interface?
Dec 6, 2013
answer
8
Large number of self-answered questions permissible?
Jul 25, 2013
answer
6
How to increase service/traffic, a set of suggestions
Jun 6, 2012
question
6
Reputation for editing tags
Jun 25, 2011
Top network posts
View all network posts
29
How can I prove that one of $n$, $n+2$, and $n+4$ must be divisible by three, for any $n\in\mathbb{N}$
15
Is there any conjecture that has been proved to be solvable/provable but whose direct solution/proof is not yet known?
13
Is The *Mona Lisa* in the complement of the Mandelbrot set.
10
Complete lattices and sublattices – which requirement is more stringent?
9
Showing that a set X with a trivial topology is not metrizable