To find the minimum of $\int_0^1 (f''(x))^2dx$
98344
Prove that $\int_0^1[f''(x)]^2dx\ge4.$
87395
Evaluating $\int_{I^n} \left( \min_{1\le i \le n}x_i \right)^{\alpha}\,\, dx$
34325
Minimizing $\sum_{i=1}^n \max(|x_i - x|, |y_i - y|)$ - Sum of Max of Absolute Values
56958
bounding a $C^1$ function that upholds $f'(t)\leq 1-f(t)^2$
79276
Find $\min(\operatorname{trace}(AA^T))$ for invertible $A_{n\times n}$
78174
How prove this inequality $\left(\int_{0}^{1}f(x)dx\right)^2\le\frac{1}{12}\int_{0}^{1}|f'(x)|^2dx$
22294
Maximum and minimum value of $\int_0^1 f(x)dx $ given $|f'(x)|<2$
115513
Find the minimum of $\sqrt{(x+1)^2+(y-1)^2}+\sqrt{(x+2)^2+(y+2)^2}+\sqrt{(x-1)^2+(y+1)^2}$ For real $x,y$
15730
Determine the minimum of $a^2 + b^2$ if $a,b\in\mathbb{R}$ are such that $x^4 + ax^3 + bx^2 + ax + 1 = 0$ has at least one real solution
18261
Prove $\int_{a}^{b}{f(x)dx}>0$.
34888
An MCQ for finding the extremal of the functional $J = \int_{a}^{b} F(x, y, y^{'})$
86518
Does $X$ have a lower bound?
12556
A non-trivial, non-negative, function bounded below by its derivative with $f(0)=0$?
21065
Bordered Hessian matrix to find a minimum of the function
9518
Evaluate: $ \int_0^1 \int_y^1 e^{x^2 }dxdy$
44653
$(\int f_1d\mu)^2+\cdots+(\int f_nd\mu)^2\leq(\int \sqrt{f_1^2+\cdots+f_n^2}d\mu)^2$
115248
$x\sin x$ is a solution of $n$th order linear differential equation. Find minimum $n$