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 Mar 21 asked Definition of “deterministic coupling” [Villani] Mar 1 asked Locating boundary layers for pertubation problem Jul 2 awarded Curious May 16 accepted Proof of Hasse's principle for quadratic equations May 15 comment Proof of Hasse's principle for quadratic equations @JyrkiLahtonen am I correct in saying that the easier direction is proving when the real solutions and p-adic solutions exist, then the rational solution must exist? May 15 revised Proof of Hasse's principle for quadratic equations added 4 characters in body May 15 asked Proof of Hasse's principle for quadratic equations May 15 accepted Proving the p-adic numbers $\mathbb{Q}_p$ form a field May 12 awarded Commentator May 12 comment If $f$ is entire and $f^{(5)}$ is bounded in $\mathbb{C}$ then $f$ is a polynomial of degree at most 5 Yes, that makes sense. Thanks again. May 12 comment If $f$ is entire and $f^{(5)}$ is bounded in $\mathbb{C}$ then $f$ is a polynomial of degree at most 5 Thank you for the help. I understand intuitively why $f^{(5)}$ being constant implies that $f$ is a polynomial of degree at most 5, but how would I best prove this? May 12 asked If $f$ is entire and $f^{(5)}$ is bounded in $\mathbb{C}$ then $f$ is a polynomial of degree at most 5 May 12 asked Proving the p-adic numbers $\mathbb{Q}_p$ form a field May 12 accepted Proving any $x \in [0,1]$ belongs to infinitely many $S^{k}_{n}:=[\frac{k-1}{2^n},\frac{k}{2^n}]$ May 6 comment Proving any $x \in [0,1]$ belongs to infinitely many $S^{k}_{n}:=[\frac{k-1}{2^n},\frac{k}{2^n}]$ @SandeepSilwal I know about the Cantor Set. I know that the elements in the Cantor Set can be written in a ternary expansion, but how does that relate to this? May 6 asked Proving any $x \in [0,1]$ belongs to infinitely many $S^{k}_{n}:=[\frac{k-1}{2^n},\frac{k}{2^n}]$ May 25 comment Absolute convergence of a real series Nice answer, thank you. May 25 accepted Absolute convergence of a real series May 25 awarded Editor May 25 revised Absolute convergence of a real series edited title