Archive for January, 2008

An interesting theorem in Topology

Sunday, January 6th, 2008

We prove an interesting theorem in Topology similar to the Helly type theorem in Convexity.

Thessaloniki,sea-board 2

Sunday, January 6th, 2008

Thessaloniki, sea-board 1

Sunday, January 6th, 2008

Two conjectures for convex sets

Sunday, January 6th, 2008

R.J.Gardner, S.Kwapien and D.P.Laurie working on a conjecture of B.Grunbaum, reached two elegant conjectures including inequalities about ovals. Here is an interesting solution.

The olive tree

Sunday, January 6th, 2008