Some propositions on simplices
Theorems and inequalities on simplices
The perimeters of the cevian and pedal triangle
A solution to the problem E2716* of the A.M.M.
The Orthoptic Curve of a convex figure
The orthoptic curve K* of the convex curve K is circle. What about K?. Some Inequalities.
The Gate
In Island (Aegean sea)
The problem (conjecture) of Larman-Zong
A solution for E3
Knossos
Some Inequalities for a n-simplex
Inequalities between the width, the sum of the sides and the circumradius of a n-simplex.
By the sea
