List questions from geometric-inequalities

Published on 07 May 2026 - 11:27

225

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Is the Incenter always "below" the middle point of an angle bisector segment in a triangle?

Published on 02 May 2026 - 20:01

167

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Geometric inequality : In a equilateral , $ 4(PD^2 +PE^2 + PF^2) \ge PA^2 + PB^2 + PC^2 $

Published on 30 Apr 2026 - 10:33

111

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Prove of an inequality between the radius and segments of an incircle

Published on 10 May 2026 - 18:42

105

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How can I enumerate sets of inequalities that give a nonempty feasible region?

Published on 10 May 2026 - 8:39

179

Views

What is the infimal norm of a matrix in a conjugacy class?

Published on 30 Apr 2026 - 6:05

295

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An inequality in triangle geometry involving triangle OIH

Published on 02 May 2026 - 18:32

144

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Find minimum value of $\sum \frac {\sqrt a}{\sqrt b +\sqrt c-\sqrt a}$

Published on 01 May 2026 - 6:57

46

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In a circle $C(O(0,0),1)$ with a polygon inscribed $A_1A_2...A_n$

Published on 02 May 2026 - 20:04

320

Views

Can I expect $|x|^s - |y|^s \leq C|x-y|^s$ for $s>1$?

Published on 07 May 2026 - 13:15

254

Views

A p-power inequality for Euclidean norm

Published on 10 May 2026 - 14:56

566

Views

Inequality for the Schatten norm of symmetric plus antisymmetric matrix

Published on 10 May 2026 - 13:50

52

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$BE,BC,CD$ form side lengths of a triangle

Published on 10 May 2026 - 14:55

330

Views

Triangle inequality $\frac{ab}{a^{2}+ b^{2}}+ \frac{bc}{b^{2}+ c^{2}}+ \frac{ca}{c^{2}+ a^{2}}\geq \frac{1}{2}+ \frac{2r}{R}$

Published on 01 May 2026 - 7:57

155

Views

Triangle inequality with the exradii $r_{a}$, $r_{b}$, $r_{c}$, the medians $m_{a}$, $m_{b}$, $m_{c}$

Published on 04 May 2026 - 14:56

List Question

2018 January Challenge: Prove inequality in geometry problem

Is the Incenter always "below" the middle point of an angle bisector segment in a triangle?

Geometric inequality : In a equilateral , $ 4(PD^2 +PE^2 + PF^2) \ge PA^2 + PB^2 + PC^2 $

Prove of an inequality between the radius and segments of an incircle

How can I enumerate sets of inequalities that give a nonempty feasible region?

What is the infimal norm of a matrix in a conjugacy class?

An inequality in triangle geometry involving triangle OIH

Find minimum value of $\sum \frac {\sqrt a}{\sqrt b +\sqrt c-\sqrt a}$

In a circle $C(O(0,0),1)$ with a polygon inscribed $A_1A_2...A_n$

Can I expect $|x|^s - |y|^s \leq C|x-y|^s$ for $s>1$?

A p-power inequality for Euclidean norm

Inequality for the Schatten norm of symmetric plus antisymmetric matrix

$BE,BC,CD$ form side lengths of a triangle

Triangle inequality $\frac{ab}{a^{2}+ b^{2}}+ \frac{bc}{b^{2}+ c^{2}}+ \frac{ca}{c^{2}+ a^{2}}\geq \frac{1}{2}+ \frac{2r}{R}$

Triangle inequality with the exradii $r_{a}$, $r_{b}$, $r_{c}$, the medians $m_{a}$, $m_{b}$, $m_{c}$

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