Proof the maximum function $\max(x,y) = \frac {x +y +|x-y|} {2}$
58629
Show that the $\max{ \{ x,y \} }= \frac{x+y+|x-y|}{2}$.
138931
Show that $||x+y||\cdot||x-y||\le||x||^2+||y||^2$
77855
Prove that if $A$ has a maximum, then the maximum must be the supremum
24683
For i.i.d. $\{X_n\}$ proving $\frac1n\max\limits_{1\leqslant k\leqslant n}|X_k|\xrightarrow{\mathrm{a.s.}}0\Leftrightarrow E(|X_1|)<+∞$
39451
Proving inequation with maximum and 2nd derivative
99930
Find the Maximum value of $\frac{x}{\sqrt{x+y}}+\frac{y}{\sqrt{y+z}}+\frac{z}{\sqrt{z+x}}$
127634
query on maximum minimum of multi-variable function
13572
$x^y+y^x>1$ for all $(x, y)\in \mathbb{R_+^2}$
150609
Triangle Inequality of the Cartesian product with Max function
49882
Proving $f(x,y,z)=\big(\frac{x}{a+x+y+z}, \frac{y}{a+x+y+z}, \frac{z}{a+x+y+z} \big)$ is injective
34325
Minimizing $\sum_{i=1}^n \max(|x_i - x|, |y_i - y|)$ - Sum of Max of Absolute Values
24951
Suppose $f_1 \in \Theta(g_1) \land f_2 \in \Theta(g_2)$. Prove $f_1 + f_2 \in \Theta(\max\{g_1, g_2\})$.
44607
Prove that a continuous function on a closed interval attains a maximum
127032
Maximum of $\cos \alpha_{1}\cdot \cos \alpha_{2}\cdot \cos \alpha_{3}....\cos \alpha_{n}.$
57096
Show that $\max{\{|a|+|b|,|c|+|d|\}} \leq \max{\{|a|,|c|\}}+\max{\{|b|,|d|\}}.$
102817
$A,B\in M_{n}(\mathbb{R})$ so that $A>0, B>0$, prove that $\det (A+B)>\max (\det(A), \det(B))$
143900
how can be prove that $\max(f(n),g(n)) = \Theta(f(n)+g(n))$