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 May30 revised How to show $n\sum_{i=1}^n {x_i^2} \ge (\sum_{i=1}^n{x_i})^2$ deleted 1 character in body May30 comment For all integrable $f:[-1,1]\mapsto \mathbb{R}$ prove that $\int_{-1}^1f^2(x)\ge\frac12(\int_{-1}^1f(x))^2+\frac32(\int_{-1}^1xf(x))^2$ Please spell Cauchy-Schwarz correctly. May30 revised For all integrable $f:[-1,1]\mapsto \mathbb{R}$ prove that $\int_{-1}^1f^2(x)\ge\frac12(\int_{-1}^1f(x))^2+\frac32(\int_{-1}^1xf(x))^2$ deleted 1 character in body May30 comment little inequality conjecture Please spell Cauchy-Schwarz correctly. May30 revised little inequality conjecture deleted 1 character in body May29 revised showing $\inf \sigma (T) \leq \mu \leq \sup \sigma (T)$, where $\mu \in V(T)$ deleted 1 character in body May29 revised Asymptotic of Riemann Sum edited title May29 revised Useful fibrations added 1 character in body May29 revised Prove :If $u(x)\in \displaystyle{H^{l}(R)}$, then $u(x)\in \displaystyle C^{l-1}(R)$ deleted 1 character in body May29 revised CRLB to find UMVUE deleted 1 character in body May29 revised Hamilton's Proof of the Tensor Maximum Principle deleted 1 character in body May29 revised convergence in mean square implies convergence of variance deleted 1 character in body May29 comment Is the area of a pentagon inscribed into an ellipse independent of starting point? @DavidSpeyer It doesn't matter where the origin is, one can just add the five expressions. May28 comment Is the area of a pentagon inscribed into an ellipse independent of starting point? Your link states: In the comments below, it is stated that this conjecture is not true. However, the comments are behind a login wall. Could you please tell us what the comments say? May28 reviewed Leave Open What is the probability of covering all $6$ faces of a die after rolling it $14$ times or less? May28 revised Need source for elliptic regularity on unbounded domains deleted 1 character in body May28 revised Properties of ON-basis in Hilbert space deleted 1 character in body May28 revised Maximum Of Two Variables' Formula deleted 1 character in body May27 awarded Strunk & White May27 revised Cauchy-Schwarz inequality in $\mathbb{R}^3$ deleted 1 character in body