A problem on Schwarz Lemma
110771
Schwarz's Lemma and functions with positive real part
63516
$C^1[0,1]$ is not complete with respect to sup norm
103374
A Problem on Improper Integrals
92056
An inequality on holomorphic functions
34147
$\|u\|\leq \|u+av\| \Longrightarrow \langle u,v\rangle=0$
110219
Bound on the derivative of a holomorphic function at $0$
133212
$\int_C \frac{\log z}{z-z_0} dz$ - Cauchy theorem with $z_0$ outside the interior of $\gamma$
5365
Bound on $|f'(0)|$ of a holomorphic funtion in the unit disk
27564
Prove that $\|UVU^{-1}V^{-1}-I\|\leq 2\|U-I\|\|V-I\|$
15851
the converse of Schur lemma
117680
Prove that $|e^{i\theta_1}-e^{i\theta_2}| \leq |\theta_1 - \theta_2|$
34081
Prove that $|f''(\xi)|\geqslant\frac{4|f(a)-f(b)|}{(b-a)^2}$
118049
Show that $\mathbb{R}^{\mathbb{R}} = U_{e} \oplus U_{o}$
58448
Complex:Schwarz lemma
63427
A Problem with Residue Theorem
123478
Generalized Poincaré Inequality on H1 proof.
27946
Inequality problem involving QM-AM-GM-HM or Cauchy Schwarz inequality