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I'm a mathematician currently working in informatics, and at the same time a grad student researching graph theory.

Apr
14
answered What is the minimum N for which there exist N points in the plane that cannot be covered by any number of non-overlapping closed unit discs?
Apr
14
comment Open problems in Euclidean geometry?
This has also been asked as a question on our site: mathoverflow.net/q/20558/5340 What is the minimum N for which there exist N points in the plane that cannot be covered by any number of non-overlapping closed unit discs?
Apr
14
answered Open problems in Euclidean geometry?
Apr
13
awarded  Yearling
Apr
13
answered Is every graph an edge-crossing graph?
Mar
21
comment Mathematical habits of thought and action which would be of use to non-mathematicians
So as a mathematician, I should be paid more if I get fatter? See the recent Dilbert strips: dilbert.com/series/63
Mar
19
comment Too old for advanced mathematics?
You may consider asking this question on Mathematics Educators SE (which is a new site that didn't exist yet when you posted this), as matheducators.stackexchange.com/help/on-topic indicates questions about learning mathematics are on-topic there.
Mar
16
comment Time for Langton's ant to cover a “square” torus
In the pictures showing how often the ant appears on a square, could you give a legend for what color means what frequency?
Feb
10
comment Correlation between two continuous-time stochastic processes
This question seems to general. Could you be more specific, like, give the particular processes you're interested in.
Dec
16
comment Question on a proof by Solonnikov,Ladyzhenskaya,Ural'tseva
The question on Mathematics SE is math.stackexchange.com/q/1057985 "Hölder regularity of the simple layer heat potential (question on the proof)" In the future, when you cross-post, please add links from each post to the other.
Nov
3
comment Awfully sophisticated proof for simple facts
See also mathoverflow.net/q/108330/5340
Oct
31
comment Not especially famous, long-open problems which anyone can understand
See also mathoverflow.net/q/184209/5340
Oct
31
comment Schoenberg's Rational Polygon Problem
@AaronMeyerowitz: yes, it is open, mathoverflow.net/a/100449/5340 gives a reference to a paper.
Sep
24
awarded  Autobiographer
Jul
17
comment Do good math jokes exist?
Downvoting because this joke is already in an earlier answer mathoverflow.net/a/3441/5340
Jul
17
comment Do good math jokes exist?
Oh come on! mathoverflow.net/a/2254/5340 already has the Cauchy joke.
Jul
17
comment Do good math jokes exist?
The earlier answer mathoverflow.net/a/1932/5340 already tells this... unless you know of a proof that works in ZF.
Jul
17
comment Do good math jokes exist?
This joke is also in the article linked by the very first answer mathoverflow.net/a/1085/5340
Jul
17
comment Do good math jokes exist?
Note that these jokes already appear in the very first answer by David Zureick-Brown: mathoverflow.net/a/1085/5340
Jun
18
comment Conjecture: for perfect graphs the fractional chromatic index rounded up equals the chromatic index
Related question on cstheory SE at cstheory.stackexchange.com/questions/24915 For which graph classes the fractional chromatic index rounded up equals the chromatic index?