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September 27th, 2016## The red boat

September 13th, 2016## The Market

September 13th, 2016## The inequality (condition) of Hadwiger.

September 13th, 2016The Hadwiger’s condition determines the possibility to transporter a convex figure F1 in the interior of a convex figure F0. A new proof.

## The vector relative to simplex

April 10th, 2016A new glance to John’s Matrix

## Το πρόβλημα των Fermat-Toricely

April 1st, 2016Θεωρούμε ένα σύνολο σημείων G. Πότε το άθροισμα των αποστάσεων σημείου Μ δοθείσης επιφάνειας Ε από τα σημεία του σημεισονόλου G γίνεται Ελάχιστο ??

## A problem of Geometry

March 28th, 2016Cauchy-Schwarz Inequality in Geometry

## Six points Property

March 12th, 2016Another proof about the problem of P.Erdos

## The perimeters of the cevian and pedal triangle

February 3rd, 2016The perimeter of the Cevian triangle of a point M in a triangle ABC, is no smaller of the perimeter of the pedal triangle of the point M.