The Davenport-Helly’s Theorem

January 30th, 2016

A1,A2,A3,A4,A5 five points in three space. For every point O, one at least angle from AiOAj is non obtuse.

Mykonos.3

January 25th, 2016

Mykonos.3

Mykonos.2

January 25th, 2016

Mykonos.2jpg

Mykonos.1

January 25th, 2016

Mykonos.1

Mykonos

January 25th, 2016

Mykonos

The pavement

January 24th, 2016

The-pavement

The window

January 24th, 2016

The-window

Kreta

January 24th, 2016

Kreta

Flower

January 23rd, 2016

flower-a

Convexity

January 23rd, 2016

The inscribed parallelepiped in convex body in three space