Communications of the
Korean Mathematical Society
CKMS

ISSN(Print) 1225-1763 ISSN(Online) 2234-3024

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Commun. Korean Math. Soc. 2018; 33(3): 1001-1011

Online first article June 1, 2018      Printed July 31, 2018

https://doi.org/10.4134/CKMS.c170234

Copyright © The Korean Mathematical Society.

Refinement of Homogeneity and Ramsey numbers

Hwajeong Kim, Gyesik Lee

Hannam University, Hankyong National University

Abstract

We introduce some variants of the finite Ramsey theorem. The variants are based on a refinement of homogeneity. In particular, they cover homogeneity, minimal homogeneity, end-homogeneity as special cases. We also show how to obtain upper bounds for the corresponding Ramsey numbers.

Keywords: Ramsey theory, Ramsey numbers, homogeneity

MSC numbers: Primary 05D10, 05C55, 68R05

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