Prove a Poincare-Like Inequality
4199
Evans PDE Problem 5.15: Poincaré inequality for functions with large zero set
6270
Poincaré inequality for a subspace of $H^1(\Omega)$
33637
Proofs of the Cauchy-Schwarz Inequality?
38354
A result similar to Schwarz lemma
15365
Proving that the triangle inequality holds for a metric on $\mathbb{C}$
147504
How do you prove Gautschi's inequality for the gamma function?
20863
how do I prove this inequallity?
148451
Polynomial inequality proof
3316
Prove QM-AM inequality
83531
Prove $\iint_{x^{2}+y^{2} \leq 1} e^{x^{2}+y^{2}} d x d y \leq\left[\int_{-\frac{\sqrt{\pi}}{2}}^{\frac{\sqrt{\pi}}{2}} e^{x^{2}} d x\right]^{2} $
90343
Proving the inequality $|e^z-1|\leq e^{|z|}-1$
150427
Inequality involving Euler-Mascheroni constant
26658
A proof for $\nabla |u|^p = p\ \text{sgn}(u)|u|^{p-1}\nabla u$.
35867
Squaring sides of an inequality
26828
Generalization of Hölder inequality
143968
Proving this inequality by mathematical induction
91117
Schwarz Lemma - like exercise