Emanuele Paolini
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 Nov 2 revised Representation of an Abelian Lie algebra english Oct 30 comment Prove the function $f(x) = (a*x)^{-1}$ is bijective The inverse of $(a*x)^{-1}$ is $a*x$. Oct 30 answered Prove the function $f(x) = (a*x)^{-1}$ is bijective Oct 30 comment Proving a subset of a metric space is bounded You should mention what is the definition of bounded, since what you are asked to prove could be a definition. Oct 26 comment The mathematics underlying Rubik's games Oct 26 revised Help with proving property of Rubik's cube. added 67 characters in body Oct 26 answered Help with proving property of Rubik's cube. Oct 26 comment Sobolev embedding theorem, inequalities Maybe you can take $p=+\infty$ if $n<3$... Oct 26 revised Sobolev embedding theorem, inequalities added 23 characters in body Oct 26 revised Sobolev embedding theorem, inequalities added 23 characters in body Oct 26 answered Sobolev embedding theorem, inequalities Oct 26 comment Sobolev embedding theorem, inequalities When you write $d$ you mean $n$? Oct 26 answered Pointwise, Uniform convergence on [a, ∞) Oct 26 answered How to show a piecewise function is continuous on a subinterval Oct 21 revised $f: \mathbb{R}\rightarrow\mathbb{R}^2$ where $\overline{f(\mathbb{R})}\neq f(\mathbb{R})$ added 6 characters in body Oct 21 answered $f: \mathbb{R}\rightarrow\mathbb{R}^2$ where $\overline{f(\mathbb{R})}\neq f(\mathbb{R})$ Oct 21 revised partial differential,stationary point and classify the point added 186 characters in body Oct 21 answered partial differential,stationary point and classify the point Oct 21 revised partial differential,stationary point and classify the point latex Oct 20 revised why is there no order in metric spaces? added 6 characters in body