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George Tsintsifas

mathematics & photography

George Tsintsifas


Main Interests:
Geometry, Convexity and Photography

Categories

  • Mathematics
  • Photography

Archives

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The projections of a convex body

The projections on the coordinate planes of a convex body. The Loomis-Whitney inequality.

Posted on November 2, 2008April 19, 2012Categories MathematicsLeave a comment on The projections of a convex body

Fishing in Thermaikos (Thessaloniki)

Posted on April 3, 2008April 19, 2012Categories PhotographyLeave a comment on Fishing in Thermaikos (Thessaloniki)

Tree in the sand

Posted on March 26, 2008April 19, 2012Categories PhotographyLeave a comment on Tree in the sand

Generalization of Chebyshev Inequality (N.Dergiades G.Tsintsifas)

In our generalization we have found intermediate terms between the two parts of the Chebyshev inequality

 

Posted on March 21, 2008April 19, 2012Categories MathematicsLeave a comment on Generalization of Chebyshev Inequality (N.Dergiades G.Tsintsifas)

Aegean 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.

Posted on March 21, 2008April 19, 2012Categories PhotographyLeave a comment on Aegean Sea. By C. Grammatopoulos

By the sea board

Posted on March 21, 2008April 19, 2012Categories PhotographyLeave a comment on By the sea board

An interesting theorem in Topology

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

Posted on January 6, 2008April 19, 2012Categories MathematicsLeave a comment on An interesting theorem in Topology

Thessaloniki,sea-board 2

Posted on January 6, 2008April 19, 2012Categories PhotographyLeave a comment on Thessaloniki,sea-board 2

Thessaloniki, sea-board 1

Posted on January 6, 2008April 19, 2012Categories PhotographyLeave a comment on Thessaloniki, sea-board 1

Two 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.

Posted on January 6, 2008April 19, 2012Categories MathematicsLeave a comment on Two conjectures for convex sets

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