Francesco
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 Apr 30 comment Great mathematics! I recommend "what is mathematics" by Courant. It will provide you with a fascinating tour of many ideas. Apr 30 comment Bronstein Integral 21.42 This is something that I used to know, but the proof of it is escaping me at the moment. The result is sound, suppose a >> b, you collect a^2 which gives you 2 \pi log a + a "residual integral". Now you have to prove that the residual integral is really zero... I 'll continue to think about it. Aug 3 comment How to recognise intuitively which functions grow faster asymptotically? @nbro there's no need to come up with the reverse reasoning: $log(n)^{log(n)} = exp\{log( log(n)^{log(n)})\} = exp\{log(n) * log(log(n))\}= exp\{log(n)\}^{log(log(n))} = n^{log(log(n))}$ Jul 22 answered Is the substitution of standard angles while proving the equality of trigonometric formulas allowed? Jul 8 awarded Critic Mar 27 awarded Nice Answer Dec 22 awarded Constituent Dec 22 awarded Caucus Feb 3 revised Proof that finite-dimensional Wiener process distributions are Gaussian corrected spelling Feb 3 suggested approved edit on Proof that finite-dimensional Wiener process distributions are Gaussian Nov 22 revised Indefinite integral of $\sin(x)$ without using the derivative of $\cos(x)$ more searchable title, reworded body of question to make it clearer Nov 22 suggested approved edit on Indefinite integral of $\sin(x)$ without using the derivative of $\cos(x)$ May 16 comment What's the difference between arccos(x) and sec(x) And now you are ready for: "the derivative of the inverse is the inverse of the derivative" :-) May 14 awarded Caucus Jan 12 revised How to approach the problems in the Hoffman Kunze book? changed title to make the question "searchable" Jan 12 suggested approved edit on How to approach the problems in the Hoffman Kunze book? Jan 7 revised Books/Resources on generating functions reworded, since it's CW by now Oct 22 awarded Civic Duty Oct 18 suggested rejected edit on Where do I go wrong when solving this integral involving a quadratic? Oct 17 awarded Organizer