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 Mar 22 awarded Yearling Jan 6 asked Comparison of Uniformly Distributed R.V. Nov 20 comment Is such a function in $L^2$? Never mind... That was a misprint, a typo (the correct version being "$t\mapsto \langle A(t,x^*(t)), x(t) - x^*(t)\rangle$ is an $L^{\bf \color{red} 1}([0,T];\mathbb{R})$ function"). What amazes me at the moment is that the same typo can be found on (at least) three different papers from the same authors. Nov 19 revised Is such a function in $L^2$? edited title Nov 18 asked Is such a function in $L^2$? Nov 8 comment Math Analysis question about differentiation. Do you know de l'Hopital rule?... ;-) Nov 5 answered Show $\sqrt[3]{x}$ is or isn't uniformly continuous. Nov 2 awarded Custodian Nov 2 comment Integrating $\int_{1}^{\sqrt{3}} \sqrt{1+\frac{1}{t}}dt$ Try to substitute $u=\sqrt{1+\frac{1}{t}}$... Nov 2 answered How can one show that limit of $\frac{1}{1-x}$ as $x$ goes to $2$ exists? Nov 2 comment First Order differential equation (Schaefer model) What have you tried so far? A qualitative study of the solutions is quite easy, I guess... P.S.: Are $E$, $K$ and $r$ positive constants? Nov 2 revised First Order differential equation (Schaefer model) added 12 characters in body Nov 2 comment Let $(a_n)_{n\geq 1}$ be a sequence of integers defined by $a_1=1, a_2=2$, and for each $n\geq 1$, $a_{n+2} =a_{n+1} +3a_n$. @martycohen: LOL! Nov 2 revised Let $(a_n)_{n\geq 1}$ be a sequence of integers defined by $a_1=1, a_2=2$, and for each $n\geq 1$, $a_{n+2} =a_{n+1} +3a_n$. added 15 characters in body; edited title Nov 2 revised Let $(a_n)_{n\geq 1}$ be a sequence of integers defined by $a_1=1, a_2=2$, and for each $n\geq 1$, $a_{n+2} =a_{n+1} +3a_n$. added 1 character in body Nov 2 revised Let $(a_n)_{n\geq 1}$ be a sequence of integers defined by $a_1=1, a_2=2$, and for each $n\geq 1$, $a_{n+2} =a_{n+1} +3a_n$. added 2 characters in body Nov 2 answered Let $(a_n)_{n\geq 1}$ be a sequence of integers defined by $a_1=1, a_2=2$, and for each $n\geq 1$, $a_{n+2} =a_{n+1} +3a_n$. Nov 2 answered Question about PDE solution by power series of an IVP Nov 2 answered Prove that $(1 + \sqrt2)^{2n} + (1 - \sqrt{2})^{2n}$ is an even integer. Nov 1 revised Prove that $(1 + \sqrt2)^{2n} + (1 - \sqrt{2})^{2n}$ is an even integer. edited title