This is a book written in Greek on Geometrical Transformations with theory and problems.
Archive for the ‘Mathematics’ Category
Geometrical Transformations
Sunday, December 22nd, 2013Euclidean (plane) Geometry.
Sunday, December 22nd, 2013This is a book on Plane Euclidean Geometry. Theorems and Problems.
Relations between the distances of points in n-space
Tuesday, November 20th, 2012Cutting Numbers
Friday, May 4th, 2012This is a paper about cutting numbers
Problems of Geometry
Friday, May 20th, 2011The projections of a convex body
Sunday, November 2nd, 2008The projections on the coordinate planes of a convex body. The Loomis-Whitney inequality.
Generalization of Chebyshev Inequality (N.Dergiades G.Tsintsifas)
Friday, March 21st, 2008In our generalization we have found intermediate terms between the two parts of the Chebyshev inequality
An interesting theorem in Topology
Sunday, January 6th, 2008We prove an interesting theorem in Topology similar to the Helly type theorem in Convexity.
Two conjectures for convex sets
Sunday, January 6th, 2008R.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.
Some propositions on simplices
Saturday, June 9th, 2007Theorems and inequalities on simplices