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Alex

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 3 years, 9 months
  • 151 profile views
  • Last seen Mar 19 at 1:04

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Top Posts (95) All Questions Answers | Votes Newest

5 Can a hyperbolic fixed point be inside a homoclinic loop on a plane? Feb 22 '18
4 How to estimate $\int^{1}_{-1} \left(\frac{\sin{x}}{x}\right)^{300} dx$ to 1 significant figure? Oct 18 '17
4 Straightforward software for publication-quality geometrical sketches. Jul 8 '16
3 How to show that $x \sin \frac{\pi}{x} > \pi \cos \frac{\pi}{x}$ for $x \in (1, \infty)$? Jul 8 '16
3 Is this proof of a version of Lyapunov stability correct? Oct 23 '16
3 The meaning of dependent and independent variables in ODEs Oct 13 '15
3 How to keep symplecticity of a diffeomorphism after a coordinate rescaling and Taylor series expansion? Apr 26 '16
3 Action-angle variables in a 2 degree of freedom integrable Hamiltonian? Aug 21 '17
3 Finding action-angle variables for integrable Hamiltonian Mar 1 '18
3 Must the dimensions of $V$ and $U$ be equal for $f: U \mapsto V$ to be a diffeomorphism? Apr 23 '18
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