Find smallest k for which the inequality holds
133880
$|\sin^2x-\sin^2y|\le K|x-y|$ find K
41026
How to prove and interpret $\operatorname{rank}(AB) \leq \operatorname{min}(\operatorname{rank}(A), \operatorname{rank}(B))$?
144382
Proving $\lVert x \rVert_3$ is smaller than euclidean norm
106729
Least Value Of $x+y+z$
106979
Prove the inequality and limitation
78188
How can I get the smallest possible answer with the Chinese Remainder Theorem?
134159
Smallest value of $a^2 + b^2 + c^2+ d^2$, given values for $(a+b)(c+d)$, $(a+c)(b+d)$, and $(a+d)(b+c)$
24312
Choosing optimal K for KNN
29935
If $a, b, c, d>0$ and $abcd=1$ prove that an inequality holds true
133481
How to find the smallest number with just $0$ and $1$ which is divided by a given number?
86518
Does $X$ have a lower bound?
26828
Generalization of Hölder inequality
103947
Inequality : $\sum_{k=1}^n x_k\cdot \sum_{k=1}^n \frac{1}{x_k} \geq n^2$
84491
Finding the smallest positive integer $n$ such that $S_n$ contains an element of order 60.
45469
If $a_k = \operatorname{rank}(S^k)$, deduce that $a_k - a_{k+1} \geq a_{k+1} - a_{k+2}$
31766
Prove that $a_{n}=0$ for all $n$, if $\sum a_{kn}=0$ for all $k\geq 1$
71497
An inequality from Littlewood's Miscellany