Reciprocal squares sum inequality
115912
Summation inductional proof: $\frac{1}{1^2}+\frac{1}{2^2}+\frac{1}{3^2}+\ldots+\frac{1}{n^2}<2$
132595
$\sup_{0 \leq M \leq I_{\mathcal{H}_1}} \frac{\operatorname{Tr}[\rho M]}{\operatorname{Tr}[\sigma M]}$ satisfies Data Processing Inequality
45918
Inequality: $x^2+y^2+xy\ge 0$
92106
Prove that $n$ is a sum of two squares?
103947
Inequality : $\sum_{k=1}^n x_k\cdot \sum_{k=1}^n \frac{1}{x_k} \geq n^2$
1305
Proving the AM-GM inequality for 2 numbers $\sqrt{xy}\le\frac{x+y}2$
139711
prove this inequality with $\sum\limits_\text{cyc}\sqrt{1-xy}\ge 2$
110975
Summation of reciprocals
52903
Sum of squares of dependent Gaussian random variables
147785
Proving inequality $x^xy^y \geq (\frac{x+y}{2})^{x+y}$
57250
Proving that the sum and difference of two squares (not equal to zero) can't both be squares.
15232
Proving an inequality involving real powers
13228
Proofs of AM-GM inequality
128558
Inequality between $\ell^p$-norms
90215
Proof/Derivation of Residual Sum of Squares (Based on Introduction to Statistical Learning)
133809
Inequality with sum of Binomial coefficients: $\sum\limits^n_{k=1}k \sqrt{\binom nk}\leq\sqrt{2^{n-1}n^3}$
83034
Triangle inequality square #2