Friday, May 20. 2011Sunset at Thermaikos Friday, May 20. 2011Sunday, November 2. 2008Thursday, April 3. 2008Wednesday, March 26. 2008Friday, March 21. 2008Generalization of Chebyshev Inequality (N.Dergiades G.Tsintsifas)In our generalization we have found intermediate terms between the two parts of the Chebyshev inequality Friday, March 21. 2008Aegean Sea. By C. Grammatopoulos Greek Mythology. Aegeus, king of Athens and father of Theseus, falls into the sea after he saw Theseaus's boat. They had prearranged that if Theseus would die, the ship would come back wearing black sails. Theseus did not die but forgot to change the sails to white. So, Aegeus died in vain. Friday, March 21. 2008John's matrix. The vector relative to simplexThe idea relative to simplex seems to simplify some propositions and theorems about to John's matrix. Friday, March 21. 2008Sunday, January 6. 2008An interesting theorem in Topology
We prove an interesting theorem in Topology similar to the Helly type theorem in Convexity.
Sunday, January 6. 2008Thessaloniki,sea-board 2 Sunday, January 6. 2008Thessaloniki, sea-board 1 Sunday, January 6. 2008Two conjectures for convex sets
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.
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George Tsintsifas
What is Mathematics?Mathematics as an expression of the human mind reflects the active will, the contemplative reason, and the desire for aesthetic perfection. R. Courant and H. Robbins Photoblog Entries            Blog AdministrationSyndicate This Blog |
