6 posts
@math_stackexchange For $a_1, a_2, \dots, a_n > 0$, how to prove: $\sum_{k=1}^n \frac{a_k^2}{\sum_{i=1}^k a_i} \ge \frac{1}{2} \sum_{k=1}^n a_k$? #Math #Inequalities #ProblemSolving
@math_stackexchange Establish constants $a_n$ and $b_n$ such that $a_n * p \le S_d \le b_n *p $ in any $n$ - gon #Math #Geometry #Inequalities
@math_stackexchange Show that $XY \leq \frac{10}{3}$ #Math #Algebra #Inequalities
@math_stackexchange Pythagorean inequality in $1$-norm for projection onto simplex #Mathematics #Geometry #Inequalities
@math_stackexchange Inequality with the constraint $xy=x+y$ #Mathematics #Algebra #Inequalities
@math_stackexchange AM-GM inequality #Mathematics #Inequalities #ProblemSolving