[Turkmath:2087] Bogazici Math Colloquium-March-15

[cagri karakurt]

The details of this week's colloquium are given below. The poster is
attached.



Some Density Ramsey type results

Konstantinos Tyros (Koc University)

Abstract: The aim of this talk is to present the density versions of the
Hales-Jewett Theorem and the Carlson-Simpson Theorem. The Hales-Jewett
Theorem is one of the most representing results in Ramsey theory. Its
density version was first proved by H. Furstenberg and Y. Katznelson in
1991 using Ergodic Theory. However, since then, combinatorial proofs have
been discovered. The Density Hales-Jewett Theorem has as a consequence
Szeméredi’s Theorem on arithmetic progressions as well as its
multidimensional version. The Density Carlson-Simpson Theorem is an
extension of the Density Hales-Jewett Theorem and concerns the space of the
left variable words.

Date: Wednesday, March 15
Time: 15:00
Place: TB 250

All interested are invited.

Cagri Karakurt & Olcay Coskun

http://www.math.boun.edu.tr/colloquium.htm
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