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reviewed Approve Standard deviation: calculating how polarizing a question is
May
18
comment Differential equations, Dynamical Systems, and an introduction to chaos
amazon.com/…
May
15
reviewed Approve Linear Recurrences
May
8
reviewed Approve Prove equation using taylor series
Apr
4
reviewed Approve Is there an easier way of finding a Taylor series than just straight computing the formula?
Mar
27
reviewed Approve Number of arithmetic progressions that have common elements
Mar
25
revised differentiation and integration of Fourier series.
TeXified formulas
Mar
25
reviewed Approve maximum principle on compact manifolds with boundary
Mar
25
comment Solving a linear functional equation
$\kappa$ can be large.
Mar
25
asked Solving a linear functional equation
Mar
14
reviewed Approve How to solve a hard integral?
Mar
8
awarded  Popular Question
Jan
30
comment Generality of a solution of a nonlinear PDE
I fixed the solution as you correctly pointed out.
Jan
30
revised Generality of a solution of a nonlinear PDE
Fixed the exact solution
Jan
30
comment Generality of a solution of a nonlinear PDE
Thanks a lot Robert. Would this imply that other kind of solutions could be expected as solitons and so on? How could be exploited all the set of solutions of a nonlinear PDE failing the superposition principle?
Jan
30
reviewed Approve Determine if $-42$ is a quadratic residue of $\pmod{61}$
Jan
30
reviewed Approve Proof $(\log(n))^{\log(\log(n))} = O(n)$
Jan
30
asked Generality of a solution of a nonlinear PDE
Dec
19
awarded  Constituent
Dec
8
awarded  Caucus