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Top Questions
52
votes
Asymmetric Hessian matrix
real-analysis
multivariable-calculus
hessian-matrix
asked Mar 28, 2011 at 15:58
math.stackexchange.com
8
votes
Do light boxes help Seasonal Affective Disorder?
psychology
psychiatry
light
asked Jan 11, 2013 at 17:51
skeptics.stackexchange.com
7
votes
How does the radius of convergence depend on the point about which the series is expanded?
complex-analysis
asked Jan 20, 2011 at 5:03
math.stackexchange.com
Top Answers
63
Best Fake Proofs? (A M.SE April Fools Day collection)
math.stackexchange.com
46
Which one result in mathematics has surprised you the most?
math.stackexchange.com
21
Anecdotes about famous mathematicians or physicists
math.stackexchange.com
10
Mathematical equivalent of Feynman's Lectures on Physics?
math.stackexchange.com
8
If $x^2+y^2-xy-x-y+1=0$ ($x,y$ real) then calculate $x+y$
math.stackexchange.com
5
Proving the set of points at which a function diverges to $\infty$ is countable
math.stackexchange.com
5
Other curvatures' π
math.stackexchange.com
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