Compare $\min_{x_1} \min_{x_2} f(x_1, x_2)$ vs $\min_{x_2} \min_{x_1} f(x_1, x_2)$
109601
Does the equation $\displaystyle min_{x,y} f(x,y)=min_{y}min_{x}f(x,y)=min_{x}min_{y}f(x,y)$ always hold for a minimization problem?
72506
An example s.t. $E(E(X|\mathcal F_1)|\mathcal F_2)\neq E(E(X|\mathcal F_2)|\mathcal F_1)$
3387
Derivative of $f(x)=|x|$
128523
Comparison of two means
120422
The joint density of the max and min of two independent exponentials
21986
What is the minimum value of $(1 + a_1)(1 + a_2). . .(1 + a_n)$?
96382
Minimum of the Gamma Function $\Gamma (x)$ for $x>0$. How to find $x_{\min}$?
6190
Maximum/minimum of two random variables is a random variable
85535
Finding maximum of $|f'(i)|$
26617
Minimum value of $ f(x,y,z)=\left(x+\frac{1}{y}\right)^2+\left(y+\frac{1}{z}\right)^2+\left(z+\frac{1}{x}\right)^2. $
111290
If $f$ continuous and $\lim_{x\to-\infty }f(x)=\lim_{x\to\infty }f(x)=+\infty $ then $f$ takes its minimum.
127634
query on maximum minimum of multi-variable function
158399
Show that $\{(x_1,x_2):x_1x_2\geq4,x_1>0,x_2>0\}$ is a convex set
99165
How to prove that for Brownian motion in $(a, b)$ $\mathbb{E}^x[\min(H_a, H_b)] = (x-a)(b-x)$?
53024
$f(x)f(1/x)=f(x)+f(1/x)$
10585
Does a polynomial that's bounded below have a global minimum?
134880
Is there a difference between $y(x)$ and $f(x)$