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

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?
May
22
comment What is a continuous path?
This question may be the same as the later question mathoverflow.net/questions/123760 Topological characterization of the closed interval [0, 1]
May
22
comment Topological characterization of the closed interval $[0,1]$
This question might be the same as mathoverflow.net/questions/80777/what-is-a-continuous-path What is a continuous path?
Apr
16
comment Lanczos algorithm with thick restart on a dynamic matrix
You may try to ask this on scicomp.stackexchange.com (but put links both ways to make it clear you're cross-posting).
Mar
26
comment Do graphs with large number of cycles always contain large necklace minor?
What if your graph is disconnected, say it has $ 2^n $ components, each a triangle?
Mar
14
comment Analogues of P vs. NP in the history of mathematics
This is a great example, especially because Bolyai has actually expected hyperbolic geometry to be consistent, and mapped out some theorems for it, though he couldn't prove that.
Mar
5
awarded  Pundit
Mar
5
comment Is $\lfloor \log(n!)\rfloor \alpha$ equidistributed on the unit circle?
Could you replace the vertical bars with $ \lfloor\dots\rfloor $ floor signs to make the notation more recognizable?
Feb
19
comment Simple example of why Differential Equations can be NP Hard
Give a specific decision problem, not just something as vague as "solving differential equations", and ask on cstheory.stackexchange.com please.
Feb
11
revised Polynomials that are sums of squares
tag polynomials
Feb
11
suggested suggested edit on Polynomials that are sums of squares
Feb
11
revised Can we decompose a polynomial into difference of convex polynomials?
mentioned the matrix being symmetric, which I used implicitly.
Feb
10
answered Can we decompose a polynomial into difference of convex polynomials?
Feb
3
comment Perfectly centered break of a perfectly aligned pool ball rack
How stable is all this to small random errors of the initial position of the balls in the triangle?
Feb
2
comment Blocking light with mirrored convex objects
Is there a variant of this in the two-dimensional space?