fast saling ships
October 4th, 2016Problem of Geometry
October 4th, 2016The plane intersections of an ellipsoid
The shop-windows with boats
September 29th, 2016
The girl near the white tower
September 29th, 2016
The autumn leaves
September 29th, 2016
no title
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
